7. Stock Options and Warrants (Details 1)
|
3 Months Ended |
|
Mar. 31, 2017
$ / shares
shares
|
|---|
| Stock Options And Warrants Details 1 |
|
| Number warrants outstanding, beginning | shares |
152,812
|
| Number warrants granted | shares |
0
|
| Number warrants exercised | shares |
0
|
| Number warrants forfeited | shares |
0
|
| Number warrants expired | shares |
(1,249)
|
| Number warrants outstanding, ending | shares |
151,563
|
| Number warrants outstanding, exercisable | shares |
151,563
|
| Weighted average exercise price outstanding, beginning | $ / shares |
$ 18.94
|
| Weighted average exercise price granted | $ / shares |
0.00
|
| Weighted average exercise price exercised | $ / shares |
0.00
|
| Weighted average exercise price forfeited | $ / shares |
0.00
|
| Weighted average exercise price expired | $ / shares |
10.01
|
| Weighted average exercise price outstanding, ending | $ / shares |
19.01
|
| Weighted average exercise price outstanding, exercisable | $ / shares |
$ 19.01
|
| Weighted average remaining contractual term outstanding, beginning |
3 years 3 months 18 days
|
| Weighted average remaining contractual term outstanding, ending |
3 years 29 days
|
| Weighted average remaining contractual term outstanding, exercisable |
3 years 29 days
|