Common Stock and Preferred Stock (Details Narrative) $ / shares in Units, $ in Thousands					1 Months Ended			3 Months Ended			12 Months Ended
	Jul. 21, 2021 USD ($) shares	Jun. 15, 2019 USD ($) shares	Apr. 13, 2019 shares	Apr. 12, 2019 USD ($) shares	Sep. 30, 2021 USD ($) shares	Apr. 30, 2019 $ / shares shares	Jan. 31, 2019 $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2021 USD ($)	Jun. 15, 2019 shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares
Class of Stock [Line Items]
Corporate fundraising	$ 990
Shares issued | shares	35,385,703
Warrant shares | shares	35,385,703
Number of warrants (or share units) exercised during the current period | shares					2,655,890
Derivative liabilities								$ 1,366			$ 1,130
Nonoperating Income (Expense)								(823)	$ (132)
Derivative, gain (loss) on derivative, net									(67)
Common stock value								641			$ 607
Cashless exercise of warrants and extinguishment of related warrant derivative additional paid in capital liability								588
Gain (loss) on settlement of derivative								$ (417)
March 2021 Note [Member] | Exchange Agreement [Member]
Class of Stock [Line Items]
Outstanding principal amount					$ 1,481
Accrued interest					$ 60
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares					53,500,000
Corporate Fundraising [Member]
Class of Stock [Line Items]
Shares issued | shares	35,385,703
Warrant shares | shares	35,385,703
Proceeds From cash	$ 990
Derivative liabilities	1,271
Nonoperating Income (Expense)	306
Derivative, gain (loss) on derivative, net	1,271
Common stock value	$ 990
Warrant [Member]
Class of Stock [Line Items]
Number of warrants | shares								11,197,930			14,270,833
Number of warrants (or share units) exercised during the current period | shares								34,000,000			23,500,000
Derivative, gain (loss) on derivative, net								$ 171			$ 406
Cashless exercise of warrants and extinguishment of related warrant derivative additional paid in capital liability shares | shares								34,000,000			23,500,000
Cashless exercise of warrants and extinguishment of related warrant derivative additional paid in capital liability								$ 588			$ 635
Gain (loss) on settlement of derivative								$ 417			$ 228
Warrant [Member] | Measurement Input, Exercise Price [Member]
Class of Stock [Line Items]
Warrants and rights outstanding measurement input								0.05			0.05
Warrant [Member] | Measurement Input, Expected Dividend Rate [Member]
Class of Stock [Line Items]
Warrants and rights outstanding measurement input								0			0
Warrant [Member] | Minimum [Member]
Class of Stock [Line Items]
Share Price | $ / shares								$ 0.013			$ 0.017
Warrant [Member] | Minimum [Member] | Measurement Input, Expected Term [Member]
Class of Stock [Line Items]
Warrants and Rights Outstanding, Term								4 years			4 years 2 months 12 days
Warrant [Member] | Minimum [Member] | Measurement Input, Risk Free Interest Rate [Member]
Class of Stock [Line Items]
Warrants and rights outstanding measurement input								1.53			1.19
Warrant [Member] | Minimum [Member] | Measurement Input, Price Volatility [Member]
Class of Stock [Line Items]
Warrants and rights outstanding measurement input								174.0			175.7
Warrant [Member] | Maximum [Member]
Class of Stock [Line Items]
Share Price | $ / shares								$ 0.019			$ 0.043
Warrant [Member] | Maximum [Member] | Measurement Input, Expected Term [Member]
Class of Stock [Line Items]
Warrants and Rights Outstanding, Term								4 years 2 months 12 days			4 years 3 months 18 days
Warrant [Member] | Maximum [Member] | Measurement Input, Risk Free Interest Rate [Member]
Class of Stock [Line Items]
Warrants and rights outstanding measurement input								2.10			1.33
Warrant [Member] | Maximum [Member] | Measurement Input, Price Volatility [Member]
Class of Stock [Line Items]
Warrants and rights outstanding measurement input								175.6			177.2
Convertible Notes Payable [Member]
Class of Stock [Line Items]
Convertible note payable												$ 120
Shares issued | shares												4,761,905
Convertible Note Payable [Member]
Class of Stock [Line Items]
Convertible note payable												$ 110
Shares issued | shares												6,673,384
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Conversion of stock shares converted | shares				35				115		50	115
Conversion of stock shares issued | shares				13,528,575				29,870,130		14,077,092	29,870,130
Shares issued | shares		10	190
Preferred stock, shares authorized | shares						200
Preferred stock, par value | $ / shares						$ 0.001
Preferred stock, voting rights						The holders of the Series C Preferred Shares have no voting rights, receive no dividends, and are entitled to a liquidation preference equal to the stated value. At any time, the Company may redeem the Series C Preferred Shares at 1.2 times the stated value
Preferred stock, conversion term, description						Each Series C Preferred Share is convertible into shares of the Company’s common stock in an amount equal to the greater of: (a) 200,000 shares of common stock or (b) the amount derived by dividing the stated value by the product of 0.7 times the market price of the Company’s common stock, defined as the lowest trading price of the Company’s common stock during the ten-day period preceding the conversion date. The holder may not convert any Series C Preferred Shares if the total amount of shares held, together with holdings of its affiliates, following a conversion exceeds 9.99% of the Company’s common stock
Proceeds from issuance of preferred stock		$ 100		$ 1,890
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized | shares							10,000	10,000			10,000
Preferred stock, par value | $ / shares							$ 0.001	$ 0.001			$ 0.001
Preferred stock, stated value | $ / shares							$ 100
Preferred stock, dividend rate, percentage							12.00%
Series B Preferred Stock [Member] | Board of Directors [Member]
Class of Stock [Line Items]
Preferred stock, voting rights							Each holder shall also be entitled to vote on all matters submitted to stockholders of the Company and shall be entitled to 55,000 votes for each Series B Preferred Share owned at the record date for the determination of stockholders entitled to vote on such matter or, if no such record date is established, at the date such vote is taken or any written consent of stockholders is solicited. In the event of a liquidation event, any holders of the Series B Preferred Shares shall be entitled to receive, for each Series B Preferred Shares, the Stated Value in cash out of the assets of the Company, whether from capital or from earnings available for distribution to its stockholders