Note 6 - Lease (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

	December 31,
	2019
Straight-line rent expense recognized for operating lease	$	601
Variable rent expense recognized for operating lease		264
Total rent expense	$	865
Weighted average remaining lease term (in years)		2.0
Weighted average discount rate		12.05	%

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

	December 31,
	2019
Cash paid for amounts included in the measurement of lease liabilities	$	612
Cash lease expense (imputed interest expense component of net income)	$	161

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

For the years ended December 31,	2019
2020	$	630
2021		649
Total undiscounted lease payments		1,279
Less imputed interest		137
Total operating lease liabilities	$	1,142

Lessee, Operating Lease, Disclosure [Table Text Block]

For the years ended December 31,	2018
2019	$	612
2020		630
2021		649
Total undiscounted lease payments	$	1,891