CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Predecessor Common Stock USD ($)	Predecessor Additional Paid-In Capital USD ($)	Predecessor Accumulated Deficit USD ($)	Predecessor Accumulated Other Comprehensive Income (Loss) USD ($)	Predecessor USD ($)	Common Stock	Additional Paid-In Capital USD ($)	Accumulated Deficit USD ($)	Accumulated Other Comprehensive Income (Loss) USD ($)	Total USD ($)
Balances at Dec. 31, 2013					$ 5,777,000
Increase (Decrease) in Stockholders' Equity
Net loss					(6,213,000)
Balances at Mar. 31, 2014
Balances at Dec. 31, 2013		65,047,000	(59,143,000)	(127,000)	5,777,000
Balances (in shares) at Dec. 31, 2013	27,943,390
Increase (Decrease) in Stockholders' Equity
Net loss			(15,782,000)		(15,782,000)
Pension other comprehensive gain (loss), net of tax of $82				21,000	21,000
Stock-based compensation		1,331,000			1,331,000
Stock-based compensation (in shares)	941,873
Repurchase of shares for Merger consideration ($35.0 million repurchase of which $5.0 million was contributed by Eldorado)	(5,785,123)	(30,000,000)			(30,000,000)
Balances at Sep. 18, 2014		36,378,000	(74,925,000)	(106,000)	(38,653,000)
Balances (in shares) at Sep. 18, 2014	23,100,140
Balances at Jun. 30, 2014
Increase (Decrease) in Stockholders' Equity
Net loss					(8,387,000)
Balances at Sep. 18, 2014					(38,653,000)
Balances at Dec. 31, 2011		62,804,000	(44,288,000)	(404,000)	18,112,000
Balances (in shares) at Dec. 31, 2011	27,656,019
Increase (Decrease) in Stockholders' Equity
Net loss			(5,724,000)		(5,724,000)
Pension other comprehensive gain (loss), net of tax of $82				63,000	63,000
Stock-based compensation		1,018,000			1,018,000
Stock-based compensation (in shares)	48,184
Balances at Dec. 31, 2012		63,822,000	(50,012,000)	(341,000)	13,469,000
Balances (in shares) at Dec. 31, 2012	27,704,203
Increase (Decrease) in Stockholders' Equity
Net loss					(786,000)
Balances at Mar. 31, 2013
Balances at Dec. 31, 2012		63,822,000	(50,012,000)	(341,000)	13,469,000
Balances (in shares) at Dec. 31, 2012	27,704,203
Increase (Decrease) in Stockholders' Equity
Net loss			(9,131,000)		(9,131,000)
Pension other comprehensive gain (loss), net of tax of $82				214,000	214,000
Stock-based compensation		1,225,000			1,225,000
Stock-based compensation (in shares)	239,187
Balances at Dec. 31, 2013		65,047,000	(59,143,000)	(127,000)	5,777,000
Balances (in shares) at Dec. 31, 2013	27,943,390
Balances at Sep. 30, 2013
Increase (Decrease) in Stockholders' Equity
Net loss					(7,102,000)
Balances at Dec. 31, 2013					5,777,000
Balances at Sep. 18, 2014										103,011,000
Increase (Decrease) in Stockholders' Equity
Net loss								(9,510,000)		(9,510,000)
Pension other comprehensive gain (loss), net of tax of $82									87,000	87,000
Balances at Dec. 31, 2014							$ 103,011,000	$ (9,510,000)	$ 87,000	$ 93,588,000
Balances (in shares) at Dec. 31, 2014						1,000