Business Description, Basis of Presentation and Significant Accounting Policies - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Business Description, Basis of Presentation and Significant Accounting Policies
Net loss	$ (8,408)	$ (16,687)
Basic weighted average shares (in shares)	16,638,580	8,942,629
Dilutive common stock equivalents using treasury stock method (in shares)
Diluted weighted average shares (in shares)	16,638,580	8,942,629
Basic loss per common share: (in dollars per share)	$ (0.51)	$ (1.87)
Diluted loss per common share: (in dollars per share)	$ (0.51)	$ (1.87)
Weighted average options outstanding (in shares)	566,200	713,331
Anti-dilutive options not included in the computation (in shares)	566,200	713,331