STOCK OPTIONS (Stock Options) (Details) - Employee Stock Option - Equity Incentive Plan 2006 - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Number of Options
Outstanding at beginning of period (in shares)	738,026
Granted (in shares)	0	14,000
Forfeited (in shares)	(62,739)
Outstanding at end of period (in shares)	675,287
Exercisable at end of period (in shares)	547,957
Weighted-Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 3.59
Granted (in dollars per share)	0.00
Forfeited (in dollars per share)	2.12
Outstanding at end of period (in dollars per share)	3.73
Exercisable at end of period (in dollars per share)	$ 4.25
Stock options, expected to vest, outstanding (in shares)	661,914
Stock options, expected to vest, outstanding, aggregate intrinsic value	$ 0
Stock options, expected to vest remaining contractual term	7 years 2 months