Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
A reconciliation between basic and diluted earnings per share computations
Loss available to common stockholders	$ (4,979)	$ (3,085)	$ (9,802)	$ (11,387)
Net income (loss) available to common stockholders (in shares)	25,587	21,230	25,565	21,222
Net income (loss) available to common stockholders (in dollars per share)	$ (0.19)	$ (0.15)	$ (0.38)	$ (0.54)
Stock options, Effect of dilutive securities	$ 0	$ 0		$ 0
Stock options, effect of dilutive securities, (in shares)	0	0		0
Attributable to participating securities	$ 0	$ 0		$ 0
Restricted stock, effect of dilutive securities (in shares)	0	0	0	0
DILUTED EPS, Income (Loss)	$ (4,979)	$ (3,085)	$ (9,802)	$ (11,387)
DILUTED EPS (in shares)	25,587	21,230	25,565	21,222
DILUTED EPS (in dollars per share)	$ (0.19)	$ (0.15)	$ (0.38)	$ (0.54)