Shareholders' Equity (Narrative) (Details) - USD ($)
|
1 Months Ended |
3 Months Ended |
12 Months Ended |
May. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Class of Warrant or Right [Line Items] |
|
|
|
|
|
|
| Exercise price of warrants |
|
$ 40
|
|
$ 40
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Shares of common stock reserved for issuance |
|
750,000
|
|
750,000
|
|
|
| Awards available for issuance |
|
173,942
|
|
173,942
|
|
|
| Number of options exercised |
|
|
|
119,381
|
64,800
|
|
| Proceeds from exercise of options |
|
|
|
$ 548,475
|
$ 304,788
|
|
| Proceeds from exercise of warrants |
|
|
|
548,475
|
$ 222,500
|
$ 478,299
|
| Stock and option compensation |
|
$ 483,000
|
$ 616,000
|
|
|
|
| Proceeds from sale of common stock |
$ 3,278,250
|
|
|
|
|
|
| Shares issued |
750,000
|
|
|
|
|
|
| Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued |
|
|
|
|
24,000
|
|
| Issuance of Stock and Warrants for Services or Claims |
|
|
|
$ 10,007
|
$ 32,428
|
$ 369,844
|
| Consultant [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued |
|
|
|
24,000
|
|
|
| Common Stock [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Number of options exercised |
|
|
|
119,381
|
64,800
|
179,983
|
| Shares issued |
|
|
|
|
750,000
|
|
| Restricted Stock [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Restricted common stock granted |
|
|
|
|
|
282,900
|
| Market value per share on the date of grant |
|
|
|
|
|
$ 3.70
|
| Stock and option compensation |
|
|
|
$ 231,876
|
$ 526,574
|
$ 1,131,440
|
| Unvested shares |
|
|
62,667
|
|
62,667
|
611,692
|
| Restricted Stock [Member] | Vesting Ratably [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Award vesting period |
|
|
|
|
|
36 months
|
| Restricted common stock granted |
|
|
|
|
|
188,000
|
| Restricted Stock [Member] | Director [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Restricted common stock granted |
|
|
|
|
|
91,500
|
| Restricted Stock [Member] | Employees [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Restricted common stock granted |
|
|
|
|
|
3,400
|
| Employee Stock Option [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Number of options granted |
|
|
|
204,000
|
209,750
|
499,700
|
| Options granted, weighted-average exercise price per share |
|
|
|
$ 5.26
|
$ 5.19
|
$ 5.26
|
| Number of options exercised |
|
|
|
|
14,800
|
72,500
|
| Proceeds from exercise of options |
|
|
|
$ 0
|
$ 82,288
|
$ 322,475
|
| Stock and option compensation |
|
|
|
$ 483,133
|
$ 483,915
|
$ 1,431,620
|
| Non-Employee Stock Options and Warrants [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Number of options granted |
|
|
|
|
24,000
|
|
| Options granted, weighted-average exercise price per share |
|
|
|
|
$ 6.58
|
|
| Number of options exercised |
|
|
|
137,174
|
50,000
|
25,000
|
| Employee Stock Options and Restricted Stock [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Stock and option compensation |
|
|
|
$ 715,009
|
$ 1,010,489
|
$ 2,545,060
|
| Minimum [Member] | Consultant [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Award vesting period |
|
|
|
24 months
|
|
|
| Minimum [Member] | Non-Employee Stock Options and Warrants [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Option expiration period |
|
|
|
5 years
|
|
|
| Maximum [Member] | Consultant [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Award vesting period |
|
|
|
59 months
|
|
|
| Maximum [Member] | Non-Employee Stock Options and Warrants [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Option expiration period |
|
|
|
10 years
|
|
|