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Net Loss Per Share - Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net loss Per Share
Net loss	$ (2,266)	$ (1,307)
Weighted-average shares outstanding	19,545,558	19,173,580
Weighted-average shares used to compute diluted net loss per share	19,545,558	19,173,580
Net loss per share - Basic	$ (0.12)	$ (0.07)
Net loss per share - Diluted	$ (0.12)	$ (0.07)

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