Significant Customer Concentration (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Concentration Risk Percentage [Abstract]
Revenues, net	$ 23,090	$ 31,586
Revenue [Member] \| Customer Concentration Risk [Member]
Concentration Risk Percentage [Abstract]
Revenues, net	$ 2,679	$ 6,133
Concentration risk percentage	11.60%	19.40%
Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Concentration Risk Percentage [Abstract]
Accounts receivable		$ 661
Concentration risk percentage		15.10%

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details