SHARE-BASED COMPENSATION SHARE-BASED COMPENSATION (Stock Option Plan Activity) (Details) - Stock Option [Member] - $ / shares shares in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
Number of Shares Outstanding [Roll Forward]
Beginning Balance, Outstanding Shares	2,172	2,152
Granted, Shares			20
Cancelled, Shares	170
Ending Balance, Outstanding Shares	2,002	2,172	2,152
Exercisable, Shares	1,252
Available for Grant, Shares	1,636
Weighted Average Exercise Price [Roll Forward]
Outstanding, Weighted Average Exercise Price ($ per Share)	$ 5.02	$ 5.02
Granted, Weighted Average Exercise Price ($ per Share)			$ 5.71
Cancelled, Weighted Average Exercise Price ($ per Share)	5.94
Outstanding, Weighted Average Exercise Price ($ per Share)	4.95	$ 5.02	$ 5.02
Exercisable, Weighted Average Exercise Price ($ per Share)	$ 4.91
Weighted Average Remaining Contractual Term
Outstanding, Weighted Average Remaining Contractual Term	1 year	1 year 8 months 12 days	2 years 8 months 12 days
Granted, Weighted Average Remaining Contractual Term	0 years
Cancelled, Weighted Average Remaining Contractual Term	3 years 4 months 24 days
Exercisable, Weighted Average Remaining Contractual Term	1 year 3 months 29 days
Weighted Average Grant Date Fair Value [Roll Forward]
Outstanding, Weighted Average Grant Date Fair Value ($ per Share)	$ 2.16	$ 2.24	$ 2.23
Granted, Weighted Average Grant Date Fair Value ($ per Share)			3.01
Cancelled, Weighted Average Grant Date Fair Value ($ per Share)	3.13
Outstanding, Weighted Average Grant Date Fair Value ($ per Share)	2.16	$ 2.24	$ 2.23
Exercisable, Weighted Average Grant Date Fair Value ($ per Share)	$ 2.22