13. OPTIONS AND WARRANTS - Summary Information Regarding Options and Warrants (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Options
Number of Shares, Outstanding at beginning of period	1,162,449	824,620
Options, Granted	1,403,440	427,072
Options, Exercised	0	0
Options, Forfeited and canceled	(142,636)	(89,243)
Number of Shares, Outstanding at end of period	2,423,253	1,162,449
Weighted Average Exercise Price, Options
Weighted average exercise price, Outstanding at beginning of period	$ 4.30	$ 5.54
Weighted average exercise price options, Granted	$ 1.78	$ 1.94
Weighted average exercise price options, Exercised
Weighted average exercise price options, Forfeited and canceled	$ 2.98	$ 4.55
Weighted average exercise price, Outstanding at end of period	$ 2.92	$ 4.30
Warrant Share [Member]
Warrants
Number of Shares, Outstanding at beginning of period	3,069,113	3,579,087
Warrants, Granted	0	972,918
Warrants, Exercised	0	0
Warrants, Forfeited and canceled	(22,312)	(1,482,892)
Number of Shares, Outstanding at end of period	3,046,801	3,069,113
Weighted Average Exercise Price, Warrants
Weighted average exercise price, Outstanding at beginning of period	$ 4.12	$ 5.64
Weighted average exercise price warrants, Granted		$ 2.21
Weighted average exercise price warrants, Exercised
Weighted average exercise price warrants, Forfeited and canceled	$ 10	$ 6.54
Weighted average exercise price, Outstanding at end of period	$ 4.08	$ 4.12