Note 7 - Leases (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

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

Year Ending December 31,
2019 (excluding the six months ended June 30, 2019)	$	361
2020		414
Thereafter		58
Undiscounted total		833
Less: imputed interest		(52	)
Present value of future minimum payments		781
Current portion of operating lease liability		(565	)
Operating lease liability, net of current portion	$	216

Lease, Cost [Table Text Block]

	Three Months Ended			Six Months Ended
	June 30, 2019			June 30, 2019
Lease cost	(in thousands)
Operating lease cost	$	222		$	445
Short-term lease cost		4			7
Sublease income		(55	)		(109	)
Total lease cost	$	171		$	343

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

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