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Condensed Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenues	$ 3,770	$ 1,372
Cost of revenues	4,075	1,521
Gross loss	(305)	(149)
Operating expenses	1,975	1,103
Loss from operations	(2,280)	(1,252)
Interest income	2	1
Net loss	$ (2,278)	$ (1,251)
Net loss per share - basic	$ (0.24)	$ (0.14)
Net loss per share - diluted	$ (0.24)	$ (0.14)
Weighted average shares outstanding - basic	9,309	8,765
Weighted average shares outstanding - diluted	9,309	8,765

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