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Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of the required periodic payments applied to interest.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Cash inflow associated with loan origination (the process when securing a mortgage for a piece of real property) or lease origination.

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The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Outstanding Debt (Details Narrative) $ / shares in Units, $ in Thousands								1 Months Ended	12 Months Ended
	Mar. 02, 2021 USD ($)	Jan. 30, 2021 USD ($)	Jan. 05, 2021 USD ($) shares	Aug. 06, 2020 USD ($) $ / shares	Apr. 30, 2020 USD ($) $ / shares	Apr. 08, 2020 USD ($)	Nov. 04, 2019 USD ($) $ / shares	Jan. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) shares	Mar. 29, 2020 USD ($)	Dec. 27, 2018 USD ($) $ / shares
Face value principal amount									$ 12,817,000	$ 8,692
Repayment of convertible debt										86
Debt conversion share issued \| shares									10,929,202
Proceeds from notes									$ 3,700	6,300
Interest expense									$ 53,000	$ 33
Debt instrument covenant description									Under the November 2019 Senior Convertible Notes and the April 2020 Senior Convertible Note, as such convertible notes are discussed above, the Company is subject to certain customary affirmative and negative covenants regarding the incurrence of indebtedness, the existence of liens, the repayment of indebtedness, the payment of cash in respect of dividends, distributions or redemptions, and the transfer of assets, among other matters. Additionally, the April 2020 Senior Convertible Note contained a financial covenant requiring the Company to maintain available cash in the amount of approximately $1.8 million at the end of each fiscal quarter, with such amount increased to $2.0 million under the August 2020 Senior Convertible Note. As of December 31, 2020, the Company was in compliance with this financial covenant.
December 2018 Senior Convertible Note [Member]
Debt conversion share issued \| shares										7,773,110
Series A and Series B November 2019 Senior Convertible Note [Member] \| Other Nonoperating Income (Expense) [Member]
Interest expense									$ 53	$ 33
November 4, 2019 Senior Secured Convertible Notes [Member]
Face value principal amount									$ 956
Interest rate									7.875%
Conversion price \| $ / shares									$ 1.60
Debt instrument maturity date									Sep. 30, 2021
April 2020 Senior Convertible Note [Member]
Face value principal amount					$ 4,111
Interest rate					7.875%
Conversion price \| $ / shares					$ 5.00
Non-installment payments									$ 215
Payment of lender fees					$ 411
Proceeds from notes					3,700
Prepaid expenses					200
Advisory fee and legal fee					$ 120
Debt instrument unpaid face amount									4,111
Unpaid face value principal percentage					1.15
Debt instrument maturity date					Apr. 30, 2022
April 2020 Senior Convertible Note [Member] \| Subsequent Event [Member]
Repayment of convertible debt	$ 14,466	$ 350						$ 350
August 06, 2020 Senior Secured Convertible Note [Member]
Face value principal amount				$ 7,750
Interest rate				7.875%
Conversion price \| $ / shares				$ 5.00
Proceeds from notes				$ 7,000
Prepaid expenses				50
Advisory fee and legal fee				$ 750
Unpaid face value principal percentage				1.15
Debt instrument maturity date				Aug. 05, 2022
August 2020 Senior Convertible Note [Member]
Non-installment payments									246
Debt instrument unpaid face amount									7,750
August 2020 Senior Secured Convertible Note [Member] \| Subsequent Event [Member]
Repayment of convertible debt	$ 14,466
Securities Purchase Agreement [Member] \| December 2018 Senior Convertible Note [Member]
Face value principal amount												$ 7,750,000
Interest rate												7.875%
Conversion price \| $ / shares												$ 1.60
Repayment of convertible debt									1,692	6,058
Periodic payment interest									$ 6	$ 200
Debt conversion share issued \| shares									2,075,198	7,773,110
Number of shares issued of common stock, amount									$ 2,901	$ 8,089
Non-installment payments										279
Securities Purchase Agreement [Member] \| November 4, 2019 Senior Convertible Notes [Member]
Face value principal amount							$ 14,000,000
Interest rate							7.875%
Conversion price \| $ / shares							$ 1.60
Securities Purchase Agreement [Member] \| November 4, 2019 Senior Convertible Notes [Member] \| Subsequent Event [Member]
Repayment of convertible debt			$ 956
Periodic payment interest			$ 7
Debt conversion share issued \| shares			667,668
Number of shares issued of common stock, amount			$ 1,723
Securities Purchase Agreement [Member] \| Series A November 2019 Senior Convertible Note [Member]
Face value principal amount							$ 7,000,000
Payment of lender fees							700,000
Proceeds from notes							6,300
Prepaid expenses							550
Advisory fee and legal fee							410
Securities Purchase Agreement [Member] \| Series B November 2019 Senior Convertible Note [Member]
Face value principal amount							7,000,000		$ 7,000,000	$ 7,000,000	$ 7,000,000
Interest rate									3.00%	3.00%	3.00%
Payment of lender fees							700,000
Proceeds from notes							6,300
Prepaid expenses							$ 410
Securities Purchase Agreement [Member] \| November 4, 2019 Senior Secured Convertible Notes [Member]
Repayment of convertible debt									$ 13,044
Periodic payment interest									$ 465
Debt conversion share issued \| shares									8,854,004
Number of shares issued of common stock, amount									$ 18,802
Debt instrument unpaid face amount									$ 956
Paycheck Protection Program [Member] \| JP Morgan Chase, N.A [Member]
Interest rate						1.00%
Debt instrument maturity date						Apr. 08, 2022
Proceeds from loan						$ 300
Loan principal amount guarantee description						100 per cent of the principal amount of the loan is guaranteed by the Small Business Administration