Note 6 - Operating Lease Right-of-use Asset, Net (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Lease, Cost [Table Text Block]

	Three months ended June 30,		Six months ended June 30,
	2019		2019
Straight-line rent expense recognized for operating lease	$	150	$	301
Variable rent expense recognized for operating lease		63		138
	$	213	$	439
Weighted average remaining lease term (in years)				2.5
Weighted average discount rate				12.05	%

Schedule of Operating Leases Cash Flow Information [Table Text Block]

	Three months ended June 30,		Six months ended June 30,
	2019		2019
Cash paid for amounts included in the measurement of lease liabilities	$	153	$	306
Cash Lease Expense (imputed interest expense component of net income)		42		87

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

	Operating Lease
	June 30,2019
Remainder of 2019	$	306
Years ending December 31,
2020		630
2021		649
Total undiscounted lease payments		1,585
Less imputed interest		211
Total operating lease liabilities	$	1,374

Lessee, Operating Lease, Disclosure [Table Text Block]

Years ending December 31,
2019	$	612
2020		630
2021		649
Total	$	1,891