Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Allowances for accounts receivable	$ 1,586
Preferred stock, par value (in dollars per share)	$ 0
Preferred stock, shares authorized	0
Preferred stock, shares issued	0
Preferred stock, shares outstanding	0
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized	200,000,000
Common stock, shares issued	3,734,000
Common stock, shares outstanding	3,734,000
Treasury stock, shares	0
Series B Junior Preferred Stock
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized	400,000	400,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Predecessor
Allowances for accounts receivable		$ 1,945
Preferred stock, par value (in dollars per share)		$ 0.01
Preferred stock, shares authorized		9,988,000
Preferred stock, shares issued		0
Preferred stock, shares outstanding		0
Common stock, par value (in dollars per share)		$ 0.01
Common stock, shares authorized		60,000,000
Common stock, shares issued		32,768,000
Common stock, shares outstanding		32,566,000
Treasury stock, shares		202,000