1. Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accounting Policies [Abstract]
Warrants outstanding	2,000,000
Stock based compensation costs	$ 1,249	$ 1,096
Unrecognized stock-based compensation costs	$ 11,900
Unrecognized stock-based compensation costs amortization period	2 years 4 months 24 days
Aggregate intrinsic value outstanding	$ 12,400
Aggregate intrinsic value exercisable	$ 10,800
Options Exercised	14,000	209,000
Total intrinsic value of options exercised	$ 51	$ 1,200
Shares available for future grants	5,500,000
Repurchase of common stock, shares repurchased	703,745	0
Repurchase of common stock average share price	$ 4.19