Consolidated Statements of Stockholders' Deficit - USD ($)
|
Total |
Common Stock |
Additional Paid-In Capital |
Accumulated Deficit |
Treasury Stock |
Accumulated Other Comprehensive Loss, Net |
| Beginning Balance, amount at Dec. 31, 2014 |
$ (10,471,228)
|
$ 56,360
|
$ 166,933,291
|
$ (119,054,530)
|
$ (56,895,059)
|
$ (1,511,290)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net loss |
(1,929,361)
|
|
|
(1,929,361)
|
|
|
| Exercise of stock awards |
59,242
|
354
|
58,888
|
|
|
|
| Shares issued for Series A redeemable convertible preferred stock dividend payment |
385,612
|
227
|
385,385
|
|
|
|
| Share-based compensation to non-employees |
578,074
|
254
|
577,820
|
|
|
|
| Share-based compensation to employees |
1,351,303
|
|
1,351,303
|
|
|
|
| Accretion of Series A redeemable convertible preferred stock |
(587,613)
|
|
(587,613)
|
|
|
|
| Dividends on Series A redeemable convertible preferred stock |
(765,203)
|
|
(765,203)
|
|
|
|
| Purchase of shares |
(137,858)
|
|
|
|
(137,858)
|
|
| Foreign currency translation |
(190,499)
|
|
|
|
|
(190,499)
|
| Net unrealized gain (loss) on marketable securities |
(1,998)
|
|
|
|
|
(1,998)
|
| Net minimum pension liability |
573
|
|
|
|
|
573
|
| Ending Balance, amount at Dec. 31, 2015 |
(11,708,956)
|
57,195
|
167,953,871
|
(120,983,891)
|
(57,032,917)
|
(1,703,214)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net loss |
(10,998,794)
|
|
|
(10,998,794)
|
|
|
| Exercise of stock awards |
0
|
565
|
(565)
|
|
|
|
| Shares issued for Series A redeemable convertible preferred stock dividend payment |
770,790
|
624
|
770,166
|
|
|
|
| Share-based compensation to non-employees |
1,576,882
|
1,099
|
1,575,783
|
|
|
|
| Share-based compensation to employees |
751,336
|
|
751,336
|
|
|
|
| Accretion of Series A redeemable convertible preferred stock |
(1,181,446)
|
|
(1,181,446)
|
|
|
|
| Dividends on Series A redeemable convertible preferred stock |
(777,890)
|
|
(777,890)
|
|
|
|
| Foreign currency translation |
(139,394)
|
|
|
|
|
(139,394)
|
| Net unrealized gain (loss) on marketable securities |
3,406
|
|
|
|
|
3,406
|
| Net minimum pension liability |
1,489
|
|
|
|
|
1,489
|
| Ending Balance, amount at Dec. 31, 2016 |
$ (21,702,577)
|
$ 59,483
|
$ 169,091,255
|
$ (131,982,685)
|
$ (57,032,917)
|
$ (1,837,713)
|