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Quarterly Results (unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Quarterly Results (unaudited)
Revenues	$ 54	$ 190		$ 363	$ 0	$ 0	$ 0	$ 0	$ 607	$ 0
Gross Profit (Loss)	3	(88)	$ (505)	138	(252)	(180)	153		(452)	(279)
Operating Expense	1,228	2,269	2,037	2,159	1,604	1,497	1,589	1,963	7,693	6,653
Net loss attributed to common stockholders	$ (1,227)	$ (2,353)	$ (2,290)	$ (2,021)	$ (1,854)	$ (1,677)	$ (1,390)	$ (1,963)	$ (7,891)	$ (6,884)
Net loss per share - basic and fully diluted	$ (0.04)	$ (0.07)	$ (0.07)	$ (0.07)	$ (0.06)	$ (0.06)	$ (0.05)	$ (0.07)	$ (0.25)	$ (0.25)

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Balance Type:	credit
Period Type:	duration