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Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net loss from continuing operations	$ (2,129)	$ (656)	$ 1,552	$ (3,097)	$ (7,235)	$ (1,085)	$ (802)	$ (5,677)	$ (4,330)	$ (14,799)
Net loss from discontinued operation									(124)	(22,663)
Net loss									$ (4,454)	$ (37,462)
Denominator:
Basic and diluted EPS—weighted average common shares outstanding (in shares)									11,196,710	11,149,554
Basic and diluted EPS:
Loss per share from continuing operations (in dollars per share)	$ (0.19)	$ (0.06)	$ 0.14	$ (0.28)	$ (0.65)	$ (0.10)	$ (0.07)	$ (0.51)	$ (0.39)	$ (1.33)
Loss per share from discontinued operations, net of taxes (in dollars per share)									(0.01)	(2.03)
Loss per share (in dollars per share)									$ (0.40)	$ (3.36)
Stock Options
Outstanding stock based awards
Potential dilutive effect of share-based compensation excluded (in shares)									800,431
Restricted stock units
Outstanding stock based awards
Potential dilutive effect of share-based compensation excluded (in shares)										985,876