11. STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of options activity

Outstanding Options Under the 2006 Plan	Shares			Weighted Average Exercise price Per Common Share		Weighted Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value
Balance, December 31, 2014		2,092,509		$	3.58
Exercised		(1,135,833	)		2.69
Canceled, forfeited or expired		(25,009	)		2.22
Balance, December 31, 2015		931,667			4.69		0.82	$	2,109,751
Exercisable at December 31, 2015		918,334			4.73		0.79		2,054,551

Schedule of RSA activity

				Weighted-Average
				Remaining
				Contractual		Weighted-Average
	RSA's			Term (Years)		Fair Value
RSA's unvested at December 31, 2014		942,024				$	1.96
Changes during the period
Granted		744,423				$	8.60
Vested		(856,052	)			$	4.59
Forfeited		(59,053	)			$	5.59
RSA's unvested at December 31, 2015		771,342			0.71	$	5.17