7. Stock Options and Warrants (Tables)
|
3 Months Ended |
Mar. 31, 2017 |
| Stock Options And Warrants Tables |
|
| Stock option activity |
| | |
Number of Options | |
Weighted Average Exercise Price | |
Weighted Average Remaining Contractual Term |
| Balance outstanding at December 31, 2016 | |
| 151,881 | | |
$ | 10.01 | | |
| 2.47 | |
| Granted | |
| — | | |
| — | | |
| — | |
| Exercised | |
| — | | |
| — | | |
| — | |
| Forfeited | |
| — | | |
| — | | |
| — | |
| Cancelled or expired | |
| — | | |
| — | | |
| — | |
| Balance outstanding at March 31, 2017 | |
| 151,881 | | |
$ | 10.01 | | |
| 2.22 | |
| Exercisable at March 31, 2017 | |
| 127,995 | | |
$ | 10.01 | | |
| 2.03 | |
|
| Warrant activity |
| | |
Number of Warrants | |
Weighted Average Exercise Price | |
Weighted Average Remaining Contractual Term |
| Balance outstanding at December 31, 2016 | | |
| 152,812 | | |
$ | 18.94 | | |
| 3.30 | |
| Granted | | |
| — | | |
| — | | |
| — | |
| Exercised | | |
| — | | |
| — | | |
| — | |
| Forfeited | | |
| — | | |
| — | | |
| — | |
| Expired | | |
| (1,249 | ) | |
| 10.01 | | |
| — | |
| Balance outstanding at March 31, 2017 | | |
| 151,563 | | |
$ | 19.01 | | |
| 3.08 | |
| Exercisable at March 31, 2017 | | |
| 151,563 | | |
$ | 19.01 | | |
| 3.08 | |
|