Basis of Presentation and Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Loss per Share (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator:
Net loss		$ (1,165)	$ (946)	$ (6,046)	$ (6,065)
Net loss per share - basic and diluted
Basic weighted average common shares outstanding (in shares)	[1]	3,308	2,474	3,196	2,455

[1] * Shares outstanding for prior periods have been restated for the 1-for-5 reverse stock split effective June 11, 2020.