Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net (loss) income and total comprehensive (loss) income attributable to common stockholders	$ (1,070)	$ 862
Weighted average number of shares outstanding, basic (in shares)	8,200	8,167
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs) (in shares)	0	46
Weighted average number of shares outstanding, diluted (in shares)	8,200	8,213
Earnings per share, basic (in usd per share)	$ (0.13)	$ 0.11
Earnings per share, diluted (in usd per share)	$ (0.13)	$ 0.10
Weighted-average shares excluded from computation of earnings per share (in shares)	78	31