| Net Income (loss) Per Common Share |
| |
|
March 31,
2016 |
|
December 31,
2015 |
| Common stock issuable upon conversion of convertible debentures |
|
|
3,652,333 |
|
|
|
2,091,000 |
|
| Options to purchase common stock |
|
|
6,210,461 |
|
|
|
2,815,000 |
|
| Warrants to purchase common stock |
|
|
10,653,278 |
|
|
|
9,766,000 |
|
| Totals |
|
|
20,516,072 |
|
|
|
14,672,000 |
|
|
| |
|
2015 |
|
|
2014 |
|
| Common stock issuable upon conversion of convertible debentures |
|
|
2,091,000 |
|
|
|
2,691,000 |
|
|
| Options to purchase common stock |
|
|
5,495,000 |
|
|
|
2,050,000 |
|
|
| Warrants to purchase common stock |
|
|
8,900,834 |
|
|
|
9,324,000 |
|
|
| Totals |
|
|
16,486,834 |
|
|
|
13,975,000 |
|
|
| |
|
|
|
|
|
|
|
|
|
|
|