Note 6 - Leases (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Lessee, Operating Lease Right-of-use Assets and Liabilities [Table Text Block]

		December 31,		December 31,
		2021		2020
Office leases	$	590	$	429
Land leases		—		—
Total operating lease right-of-use assets, net	$	590	$	429

		December 31,		December 31,
		2021		2020
Office leases	$	596	$	432
Land leases		—		—
Total current lease liabilities		596		432
Non-current office leases		—		—
Non-current land leases		—		—
Total lease liabilities	$	596	$	432

Lease, Cost [Table Text Block]

		December 31,		December 31,
		2021		2020
Office leases	$	627	$	829
Land leases		—		446
Total operating lease expense		627		1,275
Short-term lease expense		278		319
Land option expense		—		9
Total land option and lease expense	$	905	$	1,603

		December 31,		December 31,
		2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities:
Cash flows from operating activities	$	624	$	1,004
Noncash right-of-use assets recorded for operating lease liabilities:
In exchange for new operating lease liabilities during the period		712		605

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

2022	$	633
2023		—
2024		—
2025		—
2026		—
Thereafter		—
Total undiscounted lease payments		633
Discount to present value		(37	)
Present value of lease liabilities	$	596