Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Dec. 31, 2015 |
| Schedule of Inventories |
Inventories consist of the following (in thousands):
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|
December 31, |
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| |
|
2015 |
|
|
2014 |
|
|
Raw materials
|
|
$ |
1,410 |
|
|
$ |
761 |
|
|
Work in process
|
|
|
1,840 |
|
|
|
1,095 |
|
|
Finished goods
|
|
|
373 |
|
|
|
1,345 |
|
|
|
|
|
|
|
|
|
|
|
Total
|
|
$ |
3,623 |
|
|
$ |
3,201 |
|
|
|
|
|
|
|
|
|
|
|
| Summary of Accounts Receivable Allowance Activity |
Accounts receivable allowance activity consisted of the following
for the years ended December 31 (in thousands):
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| |
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2015 |
|
|
2014 |
|
|
2013 |
|
|
Balance at beginning of year
|
|
$ |
358 |
|
|
$ |
112 |
|
|
$ |
100 |
|
|
Additions
|
|
|
— |
|
|
|
246 |
|
|
|
12 |
|
|
Deductions
|
|
|
(95 |
) |
|
|
— |
|
|
|
— |
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|
Balance at end of year
|
|
$ |
263 |
|
|
$ |
358 |
|
|
$ |
112 |
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|
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|
| Schedule of Useful Lives of Property and Equipment |
Depreciation is computed on the straight-line basis over the
estimated useful lives of the respective assets, as follows:
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|
| |
|
Years |
|
Machinery and equipment
|
|
3-10 |
|
Furniture and fixtures
|
|
3-5 |
|
Computer equipment and software
|
|
3-5 |
|
Buildings
|
|
Up to 39 |
|
Land
|
|
Indefinite |
|
| Schedule of Accumulated Other Comprehensive Income |
Changes to accumulated other comprehensive income during the year
ended December 31, 2014 were as follows (in thousands):
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|
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| |
|
Translation
Adjustment |
|
|
Balance – December 31, 2014
|
|
$ |
(63 |
) |
|
Current period other comprehensive income
|
|
|
(1,099 |
) |
|
|
|
|
|
|
Balance – December 31, 2015
|
|
$ |
(1,162 |
) |
|
|
|
|
|
|
| Analysis of Reserve for Sales Returns |
An analysis of the reserve for sales returns at December 31,
2014 and 2015 is as follows (in thousands):
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| |
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Total |
|
|
Balance – December 31, 2013
|
|
$ |
138 |
|
|
Provision:
|
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|
|
|
|
Related to current period sales
|
|
|
— |
|
|
Related to prior period sales
|
|
|
(136 |
) |
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|
|
|
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(136 |
) |
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|
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Returns:
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|
|
|
Related to prior period sales
|
|
|
(2 |
) |
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|
|
|
|
|
|
(2 |
) |
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|
|
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Balance – December 31, 2014
|
|
$ |
— |
|
|
|
|
|
|
|
| Schedule of Stock-Based Compensation Expense Allocation |
Total stock-based compensation expense was recorded to cost of
revenues, and operating expenses based upon the functional
responsibilities of the individuals holding the respective options
as follows (in thousands):
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| |
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Years Ended
December 31, |
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| |
|
2015 |
|
|
2014 |
|
|
2013 |
|
|
Cost of revenues
|
|
$ |
79 |
|
|
$ |
44 |
|
|
$ |
14 |
|
|
Sales and marketing
|
|
|
38 |
|
|
|
28 |
|
|
|
— |
|
|
Research and development
|
|
|
1,126 |
|
|
|
2 |
|
|
|
— |
|
|
General and administrative
|
|
|
507 |
|
|
|
533 |
|
|
|
461 |
|
|
|
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|
|
|
|
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|
|
|
|
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|
Total employee stock-based compensation
|
|
$ |
1,750 |
|
|
$ |
607 |
|
|
$ |
475 |
|
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|
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|
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|
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| Calculation of Basic and Diluted Income Per Common Share and Common Share Equivalents |
The calculation of basic and diluted income per common and common
equivalent share is as follows (in thousands except for per share
data):
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Years Ended
December 31, |
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| |
|
2015 |
|
|
2014 |
|
|
2013 |
|
|
Basic net (loss) income per common share
|
|
|
|
|
|
|
|
|
|
|
|
|
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Net (loss) income
|
|
$ |
(2,134 |
) |
|
$ |
3,390 |
|
|
$ |
6,704 |
|
|
Less: Preferred stock dividends
|
|
|
(28 |
) |
|
|
(28 |
) |
|
|
(28 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net (loss) income applicable to common stock
|
|
$ |
(2,162 |
) |
|
$ |
3,362 |
|
|
$ |
6,676 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Basic weighted average number of common shares outstanding
|
|
|
10,774 |
|
|
|
10,992 |
|
|
|
11,259 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Basic net (loss) income per common share
|
|
$ |
(0.20 |
) |
|
$ |
0.31 |
|
|
$ |
0.59 |
|
|
|
|
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|
|
|
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|
Diluted net (loss) income per common share
|
|
|
|
|
|
|
|
|
|
|
|
|
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Net (loss) income applicable to common stock
|
|
$ |
(2,162 |
) |
|
$ |
3,362 |
|
|
$ |
6,676 |
|
|
Add: Preferred stock dividends
|
|
|
— |
|
|
|
28 |
|
|
|
28 |
|
|
Less: Fair value of stock warrants for dilutive warrants
|
|
|
— |
|
|
|
(379 |
) |
|
|
(794 |
) |
|
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|
|
|
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|
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|
|
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Net (loss) income applicable to dilutive common stock
|
|
$ |
(2,162 |
) |
|
$ |
3,011 |
|
|
$ |
5,910 |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Basic weighted average number of common shares outstanding
|
|
|
10,774 |
|
|
|
10,992 |
|
|
|
11,259 |
|
|
Effect of dilutive securities
|
|
|
|
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Dilutive stock awards
|
|
|
— |
|
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|
15 |
|
|
|
14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
— |
|
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|
15 |
|
|
|
14 |
|
|
Diluted weighted average number of common shares outstanding
|
|
|
10,774 |
|
|
|
11,007 |
|
|
|
11,273 |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Diluted net (loss) income per common share
|
|
$ |
(0.20 |
) |
|
$ |
0.27 |
|
|
$ |
0.52 |
|
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|
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| Common Stock Warrant Liability [Member] |
|
| Assumptions Used to Value Options Granted |
|
|
|
|
|
|
|
|
|
| |
|
2015 |
|
|
2014 |
|
|
Stock Price
|
|
$ |
— |
|
|
$ |
5.60 |
|
|
Exercise Price
|
|
$ |
— |
|
|
$ |
12.16 |
|
|
Risk free interest rate
|
|
|
— |
|
|
|
0.030 |
% |
|
Expected term
|
|
|
— |
|
|
|
0.25 years |
|
|
Dividend yield
|
|
|
— |
|
|
|
— |
|
|
Expected volatility
|
|
|
— |
|
|
|
22.76 |
% |
|
| Employees [Member] |
|
| Assumptions Used to Value Options Granted |
Accordingly the weighted-average fair value of the options granted
to employees during the years ended December 31, 2015, 2014
and 2013 was $4.38, $4.27 and $3.52, respectively based on the
following assumptions:
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| |
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Years Ended
December 31, |
| |
|
2015 |
|
2014 |
|
2013 |
|
Risk free interest rate
|
|
0.87%-1.20% |
|
0.93%-1.64% |
|
0.71%-0.76% |
|
Expected term
|
|
4.56-4.75 years |
|
4.75 years |
|
4.75 years |
|
Dividend yield
|
|
— |
|
— |
|
— |
|
Expected volatility
|
|
76.86%-83.09% |
|
78.27%-81.36% |
|
96.52%-97.02% |
|
| Non Employees [Member] |
|
| Assumptions Used to Value Options Granted |
The weighted-average fair value of the options granted to
non-employees during the years ended December 31, 2015, 2014
and 2013 was $4.52, $0 and $0, respectively based on the following
assumptions:
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| |
|
Years Ended
December 31, |
| |
|
2015 |
|
2014 |
|
2013 |
|
Risk free interest rate
|
|
1.47%-1.54% |
|
— |
|
— |
|
Expected term
|
|
7 years |
|
— |
|
— |
|
Dividend yield
|
|
— |
|
— |
|
— |
|
Expected volatility
|
|
82.88%-83.09% |
|
— |
|
— |
|