SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS (Details) (Allowance for doubtful accounts receivable, USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2014	Sep. 18, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in valuation and qualifying accounts
Balance at beginning of period	$ 193,000
Amounts charged to costs and expenses	(22,000)
Uncollectible accounts written off, net of recoveries	4,000
Balance at end of period	175,000
Predecessor
Changes in valuation and qualifying accounts
Balance at beginning of period		151,000	350,000	383,000
Amounts charged to costs and expenses		67,000	71,000	118,000
Uncollectible accounts written off, net of recoveries		(25,000)	(270,000)	(151,000)
Balance at end of period		$ 193,000	$ 151,000	$ 350,000