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Sales, Contract Assets and Contract Liabilities (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Revenue	$ 0	$ 0	$ 0	$ 0
Cost of goods sold	180,000	$ 0	27,000	1,000
Cost of goods sold - warranty adjustment			153,000	$ 1,000
Contract assets	237,000		237,000		$ 39,000
Contract liabilities	$ 48,000		48,000		50,000
Flare Projects [Member]
Revenue			$ 0		$ 0

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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