Net Loss per Common Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Schedule of reconciliation of basic and diluted weighted average common shares outstanding
Weighted average common shares outstanding—basic (in shares)	17,521	17,188	17,429	17,025
Dilutive common shares issuable in connection with stock plans (in shares)	0	0	0	0
Weighted average common shares outstanding—diluted (in shares)	17,521	17,188	17,429	17,025