Annual report pursuant to Section 13 and 15(d)

11. Stockholders Equity (Details-Options outstanding and exercisable)

v3.3.1.900
11. Stockholders Equity (Details-Options outstanding and exercisable) - Employees and Directors [Member] - Stock Options [Member]
12 Months Ended
Dec. 31, 2015
USD ($)
$ / shares
shares
Options Outstanding - Employees and Directors  
Options outstanding | shares 1,541,968
Weighted average exercise price - outstanding | $ / shares $ 6.41
Aggregate intrinsic value - outstanding | $ $ 0
Options Vested and Exercisable - Employees and Directors  
Options vested | shares 1,541,968
Weighted average exercise price - vested and exercisable | $ / shares $ 6.41
Aggregate intrinsic value - vested and exercisable | $ $ 0
Exercise price $6.10 [Member]  
Options Outstanding - Employees and Directors  
Options outstanding | shares 1,411,094
Weighted average remaining contractual life 2 years 3 months 11 days
Weighted average exercise price - outstanding | $ / shares $ 6.10
Aggregate intrinsic value - outstanding | $ $ 0
Options Vested and Exercisable - Employees and Directors  
Options vested | shares 1,411,094
Weighted average exercise price - vested and exercisable | $ / shares $ 6.10
Aggregate intrinsic value - vested and exercisable | $ $ 0
Exercise price $9.76 [Member]  
Options Outstanding - Employees and Directors  
Options outstanding | shares 130,874
Weighted average remaining contractual life 9 years 6 months 15 days
Weighted average exercise price - outstanding | $ / shares $ 9.76
Aggregate intrinsic value - outstanding | $ $ 0
Options Vested and Exercisable - Employees and Directors  
Options vested | shares 130,874
Weighted average exercise price - vested and exercisable | $ / shares $ 9.76
Aggregate intrinsic value - vested and exercisable | $ $ 0