Note 8 - Leases (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

Year Ending December 31,	Amount
2020	$	1,024
2021		620
2022		336
2023		348
2024		360
Thereafter		122
Undiscounted total		2,810
Less: imputed interest		(497	)
Present value of future minimum payments		2,313
Current portion of operating lease liability		(841	)
Operating lease liability, net of current portion	$	1,472

Lease, Cost [Table Text Block]

	Year Ended
	December 31, 2019
Lease cost	(in thousands)
Operating lease cost	$	959
Short-term lease cost		15
Variable lease cost		162
Sublease income		(217	)
Total lease cost	$	919

Restructuring and Related Costs [Table Text Block]

Balance as of January 1, 2018	$	—
Costs of exit from leased premises		359
Deferred rent on cease-use date		19
Impairment of property and equipment		(106	)
Cash paid, net of receipts		(41	)
Accretion charges, included in rent expense		2
Balance as of December 31, 2018	$	233

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Years Ending December 31,	Lease Payments		Sublease Income
	(in thousands)
2019	$	859	$	213
2020		411		219
2021		56		38
Thereafter		—		—
Total	$	1,326	$	470