Note 5 - Leases (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	September 30,		December 31,
	2021		2020
Office leases	$	727	$	429
Total operating lease right-of-use assets, net	$	727	$	429

	September 30,		December 31,
	2021		2020
Office leases	$	579	$	432
Total current lease liabilities	$	579	$	432
Non-current office leases		169		—
Total lease liabilities	$	748	$	432

Lease, Cost [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Office leases	$	156	$	238	$	470	$	691
Land leases		—		113		—		332
Total operating lease expense		156		351		470		1,023
Short-term lease expense		84		72		208		249
Land option expense		—		—		—		9
Total land option and lease expense	$	240	$	423	$	678	$	1,281

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities:
Cash flows from operating activities	$	509	$	600
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)	$	115
2022		690
2023		—
2024		—
2025		—
Thereafter		—
Total undiscounted lease payments		805
Discount to present value		(57	)
Present value of lease liabilities	$	748
Weighted average remaining lease term - years		1.2
Weighted average discount rate - percent		12.0