BUSINESS Description of Business (Details) - USD ($) $ in Thousands	12 Months Ended			19 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2017	Feb. 26, 2016	Jan. 01, 2016	Dec. 31, 2012
Cash and Cash Equivalents, at Carrying Value	$ 17,902	$ 25,056	$ 48,203				$ 70,390
Net Cash Provided by (Used in) Operating Activities	(34,026)	$ (9,897)	$ (9,145)
Line of credit [Member] | KeyBank National Association [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 35,000
Subsequent Event [Member]
Estimated Increase in Liquidity, Net					$ 70,000
Subsequent Event [Member] | Long-term debt [Member] | Cerberus Business Finance [Member]
Line of Credit Facility, Current Borrowing Capacity					100,000
Subsequent Event [Member] | Line of credit [Member] | Cerberus Business Finance [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 5,000
Subsequent Event [Member] | Restructuring Plan 2016 [Member]
Estimated restructuring-related cash expenditures				$ 25,000
Restructuring-related estimated cost savings						$ 68,000