CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
|
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Accumulated Deficit [Member] |
Total |
| Balance at Dec. 31, 2014 |
$ 53,949,001
|
$ 11,628,503
|
$ (19,559,331)
|
$ 46,018,173
|
| Balance (in shares) at Dec. 31, 2014 |
20,382,333
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
| Stock-based compensation |
$ 0
|
1,770,897
|
0
|
1,770,897
|
| Issuance of restricted stock |
$ 0
|
0
|
0
|
0
|
| Issuance of restricted stock (in shares) |
487,500
|
|
|
|
| Stock option exercises |
$ 291,246
|
(118,480)
|
0
|
172,766
|
| Stock option exercises (in shares) |
241,752
|
|
|
|
| Net loss |
$ 0
|
0
|
(9,573,059)
|
(9,573,059)
|
| Balance at Dec. 31, 2015 |
$ 54,240,247
|
13,280,920
|
(29,132,390)
|
38,388,777
|
| Balance (in shares) at Dec. 31, 2015 |
21,111,585
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
| Stock-based compensation |
$ 0
|
1,003,305
|
0
|
1,003,305
|
| Issuance of restricted stock |
$ 0
|
0
|
0
|
0
|
| Issuance of restricted stock (in shares) |
255,800
|
|
|
|
| Stock option exercises |
$ 3,569
|
(1,269)
|
0
|
2,300
|
| Stock option exercises (in shares) |
2,500
|
|
|
|
| Net loss |
$ 0
|
0
|
(4,525,761)
|
(4,525,761)
|
| Balance at Dec. 31, 2016 |
$ 54,243,816
|
$ 14,282,956
|
$ (33,658,151)
|
$ 34,868,621
|
| Balance (in shares) at Dec. 31, 2016 |
21,369,885
|
|
|
|