Note 7 - Leases (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

		December 31,		December 31,
		2020		2019
Office leases	$	429	$	610
Land leases		—		444
Total operating lease right-of-use assets, net	$	429	$	1,054

		December 31,		December 31,
		2020		2019
Office leases	$	432	$	698
Land leases		—		—
Total current lease liabilities		432		698
Non-current office leases		—		3
Non-current land leases		—		—
Total lease liabilities	$	432	$	701

Lease, Cost [Table Text Block]

		December 31,		December 31,
		2020		2019
Office leases	$	829	$	719
Land leases		446		456
Total operating lease expense		1,275		1,175
Short-term lease expense		319		321
Land option expense		9		543
Total land option and lease expense	$	1,603	$	2,039

		December 31,		December 31,
		2020		2019
Cash paid for amounts included in the measurement of operating lease liabilities:
Cash flows from operating activities	$	1,004	$	1,844
Noncash right-of-use assets recorded for operating lease liabilities:
Adoption of Topic 842		—		1,562
In exchange for new operating lease liabilities during the period		605		443

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

2021	$	452
2022		—
2023		—
2024		—
2025		—
Thereafter		—
Total undiscounted lease payments		452
Discount to present value		(20	)
Present value of lease liabilities	$	432