Related Party Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended			2 Months Ended
	Jul. 02, 2020	Aug. 05, 2019	Jan. 26, 2021	Dec. 24, 2020	Sep. 26, 2018	Dec. 28, 2020	Sep. 30, 2021	Dec. 31, 2020
Related Party Transactions (Details) [Line Items]
Accrued liabilities - related party							$ 86	$ 30
Accrued liabilities - related party							$ 31	$ 30
Related party transactions, description			On January 26, 2021, the aggregate principal amount of this note, a 10% principal bonus, and all accrued interest with a combined total of $0.18 million, was fully extinguished at the rate of $4.15 per unit, as defined in our public offering and disclosed in Note 15- Stockholders’ Equity, resulting in the issuance of 42,776 shares of common stock, along with warrants to purchase up to 42,776 shares of common stock that are exercisable for a purchase price of $4.50 per share at any time on or prior to January 26, 2026.
Daniel L. Hodges [Member]
Related Party Transactions (Details) [Line Items]
Aggregate principal amount		$ 200
Interest rate		5.00%
Default interest rate		18.00%						18.00%
Outstanding amount								$ 200
Global Security Innovative Strategies [Member]
Related Party Transactions (Details) [Line Items]
Options to purchase of stock (in Shares)					100,000
Option price (in Dollars per share)					$ 1
Payment for management fee					$ 10
Brent Davies [Member]
Related Party Transactions (Details) [Line Items]
Related party transactions, description	Brent Davies, a member of the Company’s Board of Directors and Audit Committee, loaned the Company $50 thousand at an interest rate of 4.80% per annum with an original maturity date of August 31, 2020. This note was amended to extend the maturity date to November 30, 2020. Interest and the full principal balance was due at maturity. During fiscal 2020, this loan became past due and was accruing interest at an increased default rate of 18.0% per annum. As of December 31, 2020, $50 thousand was outstanding and past due under the loan.
Dr. Dustin McIntire [Member]
Related Party Transactions (Details) [Line Items]
Outstanding amount								$ 600
Related party transactions, description						Dustin McIntire, the Company’s Chief Technology Officer, and issued promissory notes evidencing such loans. The principal amounts of the notes were between $0.1 million and $0.4 million, and such notes bore interest at 10% per annum and were due between January 14, 2021 and March 28, 2021.
Richard J. Berman [Member]
Related Party Transactions (Details) [Line Items]
Related party transactions, description				the Company borrowed an aggregate of $0.16 million from Richard J. Berman, a member of the Company’s Board of Directors, and issued promissory notes evidencing such loans. The principal amounts of the notes were between $40 thousand and $120 thousand, and such notes bore interest at 8% per annum and were due between February 12, 2021 and March 23, 2021. As of December 31, 2020, $0.16 million was outstanding under these notes.