STOCK BASED COMPENSATION - Option Pricing (Details) shares in Thousands	3 Months Ended
	Mar. 31, 2017 $ / shares shares
Exercise price ranges
Number Outstanding (in shares) | shares	11
Weighted Average Remaining Contractual Life	4 months 28 days
Weighted Average Exercise Price (in dollars per share)	$ 3.75
Number Exercisable | shares	11
Weighted Average Exercise Price (in dollars per share)	$ 3.75
$0 - $1.56
Exercise price ranges
Exercise price range, upper limit (in dollars per share)	$ 1.56
Number Outstanding (in shares) | shares	4
Weighted Average Remaining Contractual Life	1 year 7 days
Weighted Average Exercise Price (in dollars per share)	$ 1.56
Number Exercisable | shares	4
Weighted Average Exercise Price (in dollars per share)	$ 1.56
$4.80 - $5.20
Exercise price ranges
Exercise price range, lower limit (in dollars per share)	4.80
Exercise price range, upper limit (in dollars per share)	$ 5.20
Number Outstanding (in shares) | shares	7
Weighted Average Remaining Contractual Life	26 days
Weighted Average Exercise Price (in dollars per share)	$ 4.95
Number Exercisable | shares	7
Weighted Average Exercise Price (in dollars per share)	$ 4.95