Note J - Leases (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Lease, Cost [Table Text Block]

	Three months ended March 31,
Lease Cost	2022			2021
Finance lease cost:
Amortization of right-of-use assets	$	32		$	32
Interest on lease liabilities		1			4
Total finance lease cost		33			36
Operating lease cost		91			91
Short-term lease cost		50			50
Variable lease cost		13			13
Less: sublease income		(39	)		—
Total lease costs	$	148		$	190

Schedule of Leases Cash Flow Information [Table Text Block]

	Three months ended March 31,
	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	1	$	4
Financing cash flows from finance leases		10		61
Operating cash flows from operating leases		117		114
Operating cash flows from short-term leases		50		50
Operating cash flows from variable lease costs		13		13
Right-of-use assets obtained in exchange for lease liabilities:
Finance leases	$	—	$	—
Operating leases		—		—

Schedule of Leases Balance Sheet Information [Table Text Block]

	March 31,			December 31,
	2022			2021
Finance Leases
Property and equipment, at cost	$	1,031		$	1,031
less: accumulated depreciation and amortization		(683	)		(651	)
Property and equipment, net	$	348		$	380
Other current liabilities	$	7		$	15
Other long-term liabilities		4			6
Total finance lease liabilities	$	11		$	21
Operating Leases
Operating lease right-of-use assets	$	1,090		$	1,141
Total operating lease right-of-use assets	$	1,090		$	1,141
Current portion of operating lease liabilities	$	356		$	356
Operating lease liabilities, less current portion		1,144			1,232
Total operating lease liabilities	$	1,500		$	1,588
Weighted Average Remaining Lease Term
Finance leases (years)		2			1
Operating leases (years)		4			4
Weighted Average Discount Rate
Finance leases		14.3	%		12.0	%
Operating leases		7.5	%		7.5	%

Operating and Finance Lease, Liability, Maturity [Table Text Block]

	Finance		Operating
Year Ending December 31,	Leases		Leases
2022 (excluding the three months ended March 31, 2022)	$	5	$	346
2023		6		472
2024		—		484
2025		—		390
2026		—		30
Total lease payments		11		1,722
Less: future interest expense		0		(222	)
Lease liabilities	$	11	$	1,500