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Note 5 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2022

	*Twelve Months Ended December 31,*
	*2022*		*2021*
Operating lease cost
Operating lease expense	$	673	$	812
Short term lease expense		176		207
Variable lease expense		91		107
Total operating lease cost	$	940	$	1,126

Finance lease cost
Amortization of right-of-use assets	$	179	$	230
Interest on lease liabilities		310		81
Total finance lease cost	$	489	$	311

	*Twelve Months Ended December 31,*
	*2022*		*2021*
Operating cash flows used in operating leases	$	766	$	698
Operating cash flows used in finance leases		310		81
Financing cash flows used in finance leases		481		505

Supplemental Non-cash Flow Information Related to Leases [Table Text Block]

	*Twelve Months Ended December 31,*
	*2022*			*2021*
Operating leases
Accretion of the lease liability	$	340		$	378
Amortization of right-of-use assets		333			434

Weighted Average Remaining Lease Term
Operating leases (in years)		5.2
Finance leases (in years)		14.0

Weighted Average Discount Rate
Operating leases		14.2	%
Finance leases		13.2	%

Supplemental Balance Sheet Information Related to Leases [Table Text Block]

	*As of*
	*December 31, 2022*			*December 31, 2021*
Operating leases
Operating lease right-of-use assets	$	2,449		$	2,462

Current portion of operating lease liability		338			260
Long term operating lease liability		2,189			2,318
Total operating lease liabilities		2,527			2,578

Finance leases
Property and equipment, at cost	$	3,045		$	2,317
Accumulated depreciation		(112	)		(376	)
Property and equipment, net		2,933			1,941

Other current liability		71			550
Other long term liabilities		2,911			720
Total finance lease liabilities		2,982			1,270

Lease Term [Table Text Block]

Year Ended December 31,	*Operating leases*			*Finance leases*

2023	$	667		$	429
2024		682			179
2025		681			168
2026		626			145
2027		645			145
There after		274			11,000
Total lease payments		3,575			12,066
Less imputed interest		(1,048	)		(9,084	)
Total lease liability	$	2,527		$	2,982

The Company acts as sublessor in certain leasing arrangements, primarily related to land and buildings. Fixed sublease payments received are recognized on a straight-line basis over the sublease term. Sublease income and head lease expense for these transactions are recognized on a gross basis on the consolidated financial statements. Sublease income was recorded in the other operating income section of the Consolidated Statements of Operations and Comprehensive Loss.

Operating Lease, Lease Income [Table Text Block]

		*December 31, 2022*				*December 31, 2021*
Lease income		$	1,255			$	-

Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block]

Year ended December 31,
2023		$ 841
2024		572
2025		501
2026		474
2027		474
There after		1,066
Total future lease commitments		$ 3,928