Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Measurements [Abstract]

Schedule of recurring fair value measurements

			Fair value measurement at reporting date using
	Balance		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
As of December 31, 2022: (in thousands)
Recurring fair value measurements
Assets:
Equity investment in Ostendo	$	1,397	$	-	$	-	$	1,397
Derivative liabilities:
Conversion feature derivative liability	$	3,472	$	-	$	-	$	3,472
Common stock derivative liability		273		-		-		273
Total derivative liabilities		3,745		-		-		3,745
As of December 31, 2021: (in thousands)
Recurring fair value measurements
Derivative liabilities:
Conversion feature derivative liability	$	8,355	$	-	$	-	$	8,355
Total derivative liabilities		8,355		-		-		8,355

Schedule of fair value of the Company's derivative liabilities

	Conversion feature derivative liability			Common stock derivative liability			Total level 3 derivative liability
Balance as of December 31, 2020	$	-		$	-		$	-
Issuance of convertible debentures		2,077			-			2,077
Increase in fair value included in earnings		6,278			-			6,278
Balance as of December 31, 2021	$	8,355		$	-		$	8,355
Transferred to equity on debt conversion		(2,921	)		-			(2,921	)
Transferred to equity on RSU issuance		-			(5	)		(5	)
Transferred from equity on recognition of derivative liability		-			314			314
Fair value of warrants issued		-			534			534
Decrease in fair value included in earnings		(1,962	)		(570	)		(2,532	)
Balance as of December 31, 2022	$	3,472		$	273		$	3,745