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Debt (Details Textual) $ / shares in Units, $ in Thousands					3 Months Ended
Debt (Details Textual) $ / shares in Units, $ in Thousands	Jan. 04, 2022 USD ($) $ / shares shares	Jul. 02, 2021 USD ($)	Apr. 18, 2020 USD ($)	Dec. 17, 2019 USD ($) d $ / shares shares	Mar. 31, 2022 USD ($) $ / shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares	Sep. 12, 2021 $ / shares shares	Sep. 13, 2020 $ / shares shares
Senior Convertible Notes and Warrants
Common stock, par value \| $ / shares					$ 0.001		$ 0.001
Short-term debt \| $					$ 1,336		$ 3,481
Debt Instrument, deferred period for periodic payments of principal and interest			16 months
Bridge Loan
Senior Convertible Notes and Warrants
Debt instrument maturity date		Oct. 01, 2021
Extended debt instrument maturity date		Jan. 03, 2022
Short-term debt \| $		$ 2,000
Common Stock
Senior Convertible Notes and Warrants
Common stock shares issued \| shares								3,623,189	2,116,050
Common stock, par value \| $ / shares								$ 0.001	$ 0.001
Purchase price (in dollars per share) \| $ / shares								2.76	2.4925
Warrants, Initial exercise price per share \| $ / shares								$ 2.76	$ 2.43
Beneficial owner \| Common Stock
Senior Convertible Notes and Warrants
Beneficial owner of the Company’s issued and outstanding shares of Common Stock				46.60%
Edward D. Bagley \| Bridge Loan
Senior Convertible Notes and Warrants
Principal amount of loan obtained \| $	$ 2,000,000
Promissory note issuance date	Jul. 02, 2021
Bridge loan amended date	Sep. 11, 2021
Edward D. Bagley \| Bridge Loan \| Notes Payable
Senior Convertible Notes and Warrants
Interest rate of the loan		8.00%
Principal amount of loan obtained \| $		$ 2,000
Promissory note issuance date		Jul. 02, 2021
Securities Purchase Agreement \| Edward D. Bagley \| Private Placement \| Common Stock
Senior Convertible Notes and Warrants
Common stock shares issued \| shares	1,538,461
Common stock, par value \| $ / shares	$ 0.001
Purchase price (in dollars per share) \| $ / shares	$ 1.3
Senior Convertible Notes and Warrants
Senior Convertible Notes and Warrants
Issuance and sale of secured convertible notes \| $				$ 3,000
Original issue discount and issuance costs \| $				346
Net proceeds after original issue discount and issuance costs \| $				$ 2,654
Amortization of debt discount and issuance costs \| $					$ 49	$ 49
Senior Convertible Notes and Warrants \| Common Stock
Senior Convertible Notes and Warrants
Warrants to purchase of common stock, shares \| shares				340,909
Common stock, par value \| $ / shares				$ 0.001
Senior Convertible Notes
Senior Convertible Notes and Warrants
Interest accrual at a variable rate adjusted on a quarterly basis, percent				2.50%
Published in the Wall Street Journal (New York edition) as of the beginning of such calendar quarter				Prime Rate
Debt instrument maturity date				Dec. 17, 2023
Senior Convertible Notes \| Greater of
Senior Convertible Notes and Warrants
Interest accrual at a variable rate adjusted on a quarterly basis, percent				5.25%
Senior Convertible Notes \| Common Stock
Senior Convertible Notes and Warrants
Senior Convertible Notes, Initial conversion price per share \| $ / shares				$ 2.11
Senior Convertible Notes, Threshold percentage of stock price trigger				120.00%
Senior Convertible Notes, Threshold consecutive trading days \| d				90
Senior Convertible Notes \| Common Stock \| Greater of
Senior Convertible Notes and Warrants
Senior Convertible Notes, Threshold percentage of stock price trigger				200.00%
Warrants \| Common Stock
Senior Convertible Notes and Warrants
Warrants, Initial exercise price per share \| $ / shares				$ 1.76
Paycheck Protection Program Loan
Senior Convertible Notes and Warrants
Proceeds of the Loan \| $			$ 1,499
Loan term			2 years
Interest rate of the loan			1.00%