Note 5 - Leases (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

	June 30,		December 31,
	2021		2020
Office leases	$	860	$	429
Total operating lease right-of-use assets, net	$	860	$	429

	June 30,		December 31,
	2021		2020
Office leases	$	504	$	432
Total current lease liabilities	$	504	$	432
Non-current office leases		333		—
Total lease liabilities	$	837	$	432

Lease, Cost [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Office leases	$	164	$	248	$	314	$	453
Land leases		—		112		—		219
Total operating lease expense		164		360		314		672
Short-term lease expense		70		86		124		177
Land option expense		—		1		—		9
Total land option and lease expense	$	234	$	447	$	438	$	858

	Six Months Ended June 30,
	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities:
Cash flows from operating activities	$	452	$	461
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]

2021 (remaining)	$	228
2022		690
2023		—
2024		—
2025		—
Thereafter		—
Total undiscounted lease payments		918
Discount to present value		(81	)
Present value of lease liabilities	$	837
Weighted average remaining lease term - years		1.4
Weighted average discount rate - percent		12.0