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Subsequent Events (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands										12 Months Ended
	Mar. 20, 2022	Mar. 11, 2022	Feb. 16, 2022	Feb. 15, 2022	Jan. 17, 2022	Jan. 03, 2022	Jan. 03, 2022	Nov. 04, 2021	Apr. 30, 2020	Dec. 31, 2021	Dec. 30, 2021	Dec. 31, 2019	Jan. 17, 2023	Mar. 28, 2022	Jan. 16, 2022	Dec. 29, 2021	Nov. 03, 2021	Nov. 02, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term										2 years 6 months
Number of shares issued during the period								2,802			7,719
Common stock, shares issued										1,600,835	240,125,224					240,125,244			1,576,844
Common stock, shares outstanding										1,600,835	240,125,224					240,125,244			1,576,844
Common Stock, Shares Authorized										850,000,000							850,000,000	350,000,000	350,000,000
Preferred Stock, Shares Authorized										150,000,000									150,000,000
Exercise price of warrant per share										$ 9.59		$ 36.00							$ 37.50
Class of Warrant or Right, Outstanding										227,719		260,727							50,417
Common Stock [Member]
Subsequent Event [Line Items]
Number of shares issued during the period										2,802
Board of Directors Chairman [Member]
Subsequent Event [Line Items]
Common Stock, Shares Authorized										200,000,000
Preferred Stock, Shares Authorized										25,000,000
Restricted Stock Units (RSUs) [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares									5,333
Number of warrants vested												6,667
2021 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Number of shares issued during the period										6,803
Subsequent Event [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding														7,784,444
Common Stock, Shares Authorized					200,000,000										850,000,000
Net proceeds from sale of common stock				$ 22,000
Number of shares sold				6,572,808
Stock issued during period, shares, issued for services				290,557
Preferred Stock, Shares Outstanding														0
Class of Warrant or Right, Outstanding														7,794,154
Non-qualified stock options issued														223,129
Non-qualified stock options outstanding														223,129
Subsequent Event [Member] | Series B Preferred Stock [Member]
Subsequent Event [Line Items]
Stock Redeemed or Called During Period, Shares			1,650
Stock Redeemed or Called During Period, Value			$ 2,016
Number of shares issued upon conversion			1,650
Subsequent Event [Member] | Common Stock [Member]
Subsequent Event [Line Items]
Number of shares sold				5,811,138
Subsequent Event [Member] | Common Stock [Member] | Series B Preferred Stock [Member]
Subsequent Event [Line Items]
Number of shares converted			362,306
Subsequent Event [Member] | Warrant [Member]
Subsequent Event [Line Items]
Number of shares sold				5,811,138
Warrant term				5 years
Exercise price of warrant per share				$ 5.00
Number of warrants vested			532,688
Stock options vesting, period			5 years
Exercise price per share			$ 5.00
Subsequent Event [Member] | Warrant [Member] | Series B Preferred Stock [Member]
Subsequent Event [Line Items]
Number of shares converted			703,069
Number of warrants vested			170,382
Exercise price, per share			$ 0.01
Subsequent Event [Member] | Underwriters [Member] | Warrant [Member]
Subsequent Event [Line Items]
Exercise price of warrant per share				$ 5.1625
Stock issued during period, shares, issued for services				290,557
Warrants maturity date				Feb. 10, 2027
Subsequent Event [Member] | Mr. Brian Knaley [Member]
Subsequent Event [Line Items]
Unexercised non-qualified stock options, forfeited	13,333
Subsequent Event [Member] | Employment Agreement [Member] | K. Patel [Member]
Subsequent Event [Line Items]
Stock options vesting, period		3 years
Exercise price per share	$ 2.20
Unexercised non-qualified stock options, forfeited		15,000
Subsequent Event [Member] | Employment Agreement [Member] | New Hires [Member]
Subsequent Event [Line Items]
Stock options vesting, period							3 years
Unexercised non-qualified stock options, forfeited							6,167
Exercise price range, lower range limit							$ 0.032
Exercise price range, upper range limit							$ 0.046
Subsequent Event [Member] | 2021 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Number of stock options issued						3,125
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price						$ 4.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term						5 years
Subsequent Event [Member] | 2021 Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]
Subsequent Event [Line Items]
Number of stock options issued					3,367
Number of shares issued during the period					3,367
Subsequent Event [Member] | 2021 Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Two Directors [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares					1,684
Subsequent Event [Member] | 2021 Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | January 17, 2022 [Member]
Subsequent Event [Line Items]
Number of stock options issued					1,684
Subsequent Event [Member] | 2021 Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | January 17, 2023 [Member]
Subsequent Event [Line Items]
Number of stock options issued													1,683

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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