Share-Based Payment Arrangements
 12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Payment Arrangements
Share-Based Payment Arrangements
On April 27, 2016, the Company’s stockholders adopted the FalconStor Software, Inc. 2016 Incentive Stock Plan (the "2016 Plan"). The 2016 Plan is administered by the Compensation Committee and initially provided for the issuance of up to 1,500,000 shares of the Company’s common stock upon the exercise of options or upon the grant of shares with such restrictions as determined by the Compensation Committee to the employees, consultants and non-employee directors of the Company. Exercise prices of the options must be equal to the fair market value of the common stock on the date of grant. Options granted have terms of ten years. Shares of restricted stock have the terms and conditions set by the Board of Directors and are forfeitable until the terms of the grant have been satisfied. The 2016 Plan replaces the Company's 2006 Incentive Stock Plan.
On April 27, 2016, the Company’s stockholders adopted the FalconStor Software, Inc. 2016 Outside Directors Equity Compensation Plan (the “2016 Director Plan”). The 2016 Director Plan is administered by the Board of Directors and provides for the issuance of up to 400,000 shares of the Company’s common stock upon the exercise of options or upon the grant of shares with such restrictions as determined by the Board of Directors to the non-employee directors of the Company. Exercise prices of the options must be equal to the fair market value of the common stock on the date of grant. Options granted have terms of ten years. Shares of restricted stock have the terms and conditions set by the Board of Directors and are forfeitable until the terms of the grant have been satisfied. The 2016 Director Plan replaces the 2013 Outside Directors Equity Compensation Plan.
The following table summarizes the plans under which the Company granted equity compensation as of December 31, 2016: 
Name of Plan
 
Shares
Authorized
 
Shares Available
for Grant
 
Shares
Outstanding
 
Last Date for Grant
of Shares
FalconStor Software, Inc., 2016 Incentive Stock Plan
 
2,166,606
 
1,779,170
 
220,000
 
April 27, 2026
FalconStor Software, Inc., 2016 Outside Directors Equity Compensation Plan
 
400,000
 
380,000
 
20,000
 
April 27, 2019

 
On June 30, 2016, the total shares available for issuance under the 2016 Plan totaled 1,500,000. Pursuant to the 2016 Plan, if, on July 1st of any calendar year in which the 2016 Plan is in effect, the number of shares of stock as to which options, restricted shares and restricted stock units may be granted under the 2016 Plan is less than five percent (5%) of the number of outstanding shares of stock, then the number of shares of stock available for issuance under the 2016 Plan is automatically increased so that the number equals five percent (5%) of the shares of stock outstanding. In no event shall the number of shares of stock subject to the 2016 Plan in the aggregate exceed twenty million shares, subject to adjustment as provided in the 2016 Plan. On July 1, 2016, the total number of outstanding shares of the Company’s common stock totaled 43,332,111. Pursuant to the 2016 Plan, the total shares available for issuance under the 2016 Plan thus increased 666,606 to 2,166,606 shares available for issuance as July 1, 2016.
 
The following table summarizes the Company’s equity plans that have expired but that still have equity awards outstanding as of December 31, 2016:
Name of Plan
 
Shares Available for Grant
 
Shares Outstanding
FalconStor Software, Inc., 2006 Incentive Stock Plan
 
—
 
5,060,590
FalconStor Software, Inc., 2013 Outside Directors Equity Compensation Plan
 
—
 
20,200
FalconStor Software, Inc., 2007 Outside Directors Equity Compensation Plan
 
—
 
160,000
FalconStor Software, Inc., 2000 Stock Option Plan
 
—
 
147,500

 
All outstanding options granted under the Company’s equity plans have terms of ten years
 
A summary of the Company’s stock option activity for 2016 is as follows: 

 
Number of
Options
 
Weighted
Average
Price
 
Weighted
Average
Remaining
Contractual
Life (Years)
 
Aggregate
Intrinsic
Value
Options Outstanding at December 31, 2015
 
4,855,941

 
$
3.53

 
4.76
 
$
632,581

Granted
 
870,000

 
$
1.27

 
 
 
 
Exercised
 
—

 
$
—

 
 
 
 
Forfeited
 
(1,714,120
)
 
$
2.65

 
 
 
 
Expired
 
(520,331
)
 
$
5.05

 
 
 
 
Options Outstanding at December 31, 2016
 
3,491,490

 
$
3.18

 
4.83
 
$
—

Options Exercisable at December 31, 2016
 
2,671,990

 
$
3.77

 
3.47
 
$
—

Options Expected to Vest after December 31, 2016 (1)
 
573,650

 
$
1.25

 
9.29
 
$
—

(1) Options expected to vest after December 31, 2016 reflect an estimated forfeiture rate
 
 


 
Stock option exercises are fulfilled with new shares of common stock.
 
The Company recognized share-based compensation expense for all awards issued under the Company’s stock equity plans in the following line items in the consolidated statement of operations:
 
 
Years ended December 31,
 
 
2016
 
2015
Cost of revenue - Product
 
$
—

 
$
—

Cost of revenue - Support and Service
 
80,903

 
98,776

Research and development costs
 
1,653,336

 
806,348

Selling and marketing
 
241,481

 
285,787

General and administrative
 
352,498

 
738,466

 
 
$
2,328,218

 
$
1,929,377


 
The Company did not recognize any tax benefits related to share-based compensation expense during the years ended December 31, 2016 and 2015.
 
The Company has the ability to issue both restricted stock and restricted stock units. The fair value of the restricted stock awards and restricted stock units are expensed at either (i) the fair value per share at date of grant (directors, officers and employees), or (ii) the fair value per share as of each reporting period (non-employee consultants). A summary of the total stock-based compensation expense related to restricted stock awards and restricted stock units, which is included in the Company’s total share-based compensation expense for each respective year, is as follows: 
 
 
Years ended December 31,
 
 
2016
 
2015
Directors, officers and employees
 
$
598,549

 
$
827,055

Non-employee consultants
 
96,237

 
—

 
 
$
694,786

 
$
827,055


 
A summary of the Company’s restricted stock activity for 2016 is as follows: 
 
 
Number of Restricted Stock Awards
Non-Vested at December 31, 2015
 
3,116,400

Granted
 
737,436

Vested
 
(565,511
)
Forfeited
 
(1,151,525
)
Non-Vested at December 31, 2016
 
2,136,800


 
On July 28, 2015 the Company granted 500,000 shares of restricted stock to the President and Chief Executive Officer of the Company. The restricted shares have terms of 10 years. The restrictions of the restricted stock lapse upon the Company's achievement of performance criteria related to the Company's Common Stock closing trading price. The fair value of the common stock price market condition was calculated using the Monte Carlo simulation model resulting in a weighted average fair value of $1.05 per share. Share-based compensation expense for the common stock price market condition is being recorded straight-line over the service period derived from the Monte Carlo simulation since the awards exercisability depends entirely on achieving a market condition. The explicit service period and the service period derived from the Monte Carlo simulation were the same for the grant.

Restricted stock and restricted stock units are fulfilled with new shares of common stock. The total intrinsic value of restricted stock for which the restrictions lapsed during the years ended December 31, 2016 and 2015 was $637,404 and $447,777, respectively.

Options granted to non-employee consultants have exercise prices equal to the fair market value of the stock on the date of grant and a contractual term of ten years. Restricted stock awards granted to non-employee consultants have a contractual term equal to the lapse of restriction(s) of each specific award. Vesting periods for share-based awards granted to non-employee consultants range from immediate vesting to three years depending on service requirements. A summary of the total stock-based compensation expense related to share-based awards granted to non-employee consultants, which is included in the Company’s total share-based compensation expense for each respective period, is as follows: 
 
 
Years ended December 31,
 
 
2016
 
2015
Non-qualified stock options
 
$
(5,915
)
 
$
73,539

Restricted stock awards
 
96,237

 
—

 
 
$
90,322

 
$
73,539


 
On March 7, 2016, the Company issued an aggregate of 507,070 shares of the Company's common stock to Cumulus Logic, LLC, as a milestone payment pursuant to the terms of a Software License and Development Agreement between the Company and Cumulus Logic, LLC. The shares have an aggregate value of $765,000 based on the 30 day trading day average of the Company's common stock immediately prior to July 29, 2015, the date that the License and Development Agreement was executed. The Company recognized share-based compensation expense of $699,757 related to this transaction based on the fair value of the common stock on the date of issue of $1.38. This expense was included in "research and development costs" in the accompanying consolidated statements of operations.

On April 1, 2016, the Company issued an aggregate of 591,582 shares of the Company's common stock to Cumulus Logic, LLC, as the final milestone payment pursuant to the terms of a Software License and Development Agreement between the Company and Cumulus Logic, LLC. The shares have an aggregate value of $892,500 based on the 30 day trading day average of the Company's common stock immediately prior to July 29, 2015, the date that the License and Development Agreement was executed. On April 1, 2016, the Company recognized share-based compensation expense of $786,804 related to this transaction based on the fair value of the common stock on the date of issue of $1.33. This expense was included in "research and development costs" in the accompanying consolidated statements of operations.

The Company estimates the fair value of share-based payments using the Black-Scholes option-pricing model. For awards with market conditions the Company utilizes the Monte Carlo simulation model to estimate the fair value. The Company believes that these valuation techniques and the approach utilized to develop the underlying assumptions are appropriate in estimating the fair value of the Company’s share-based payments granted during the years ended December 31, 2016 and 2015. Estimates of fair value are not intended to predict actual future events or the value ultimately realized by the employees who receive equity awards.
 
The per share weighted average fair value of share-based payments granted during the years ended December 31, 2016 and 2015 was $0.95 and $1.32, respectively. In addition to the exercise and grant date prices of the awards, certain weighted average assumptions that were used to estimate the fair value of share-based payment grants in the respective periods are listed in the table below: 
 
 
Years ended December 31,
 
 
2016
 
2015
Expected dividend yield
 
0%
 
0%
Expected volatility
 
55%
 
55 - 56%
Risk-free interest rate
 
1.29 - 1.36%
 
1.35 - 1.67%
Expected term (years)
 
5.5
 
5.5
Discount for post-vesting restrictions
 
N/A
 
N/A

 
Options granted to officers, employees and directors during fiscal 2016 and 2015 have exercise prices equal to the fair market value of the stock on the date of grant, a contractual term of ten years, and a vesting period generally of three years. Based on each respective group’s historical vesting experience and expected trends, the estimated forfeiture rate for officers, employees, and directors, for fiscal years 2016 and 2015 was 30%, 30% and 0%, respectively.
 
The Company estimates expected volatility based primarily on historical daily volatility of the Company’s stock and other factors, if applicable. The risk-free interest rate is based on the United States treasury yield curve in effect at the time of grant. The expected option term is the number of years that the Company estimates that options will be outstanding prior to exercise. The expected term of the awards was determined based upon an estimate of the expected term of “plain vanilla” options as prescribed in SEC Staff Accounting Bulletin (“SAB”) No. 110.
 
As of December 31, 2016, there was approximately $1.4 million total unrecognized compensation cost related to the Company’s unvested stock options, restricted stock and restricted stock unit awards granted under the Company’s stock plans. The unrecognized compensation cost is expected to be recognized over a weighted-average period of 1.39 years.
 
As of December 31, 2016, the Company had 7,787,460 shares of common stock reserved for issuance upon the exercise or vesting of stock options, restricted stock and restricted stock units.