Note 10 - Lease (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Operating Lease, Supplement Balance Sheet Information [Table Text Block]

	As of June 30,
	2019
	$
Operating lease ROU asset		2,855
Current portion of operating lease liabilities		535
Operating lease liabilities		2,264
Total lease liabilities		2,799

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

	$
Six months ending December 31, 2019		249
Year ending December 31, 2020		780
Year ending December 31, 2021		786
Year ending December 31, 2022		789
Year ending December 31, 2023		793
Total lease payments		3,397
Less imputed interest		(598	)
Present value of lease liabilities		2,799

Lease, Cost [Table Text Block]

	Six months ended
	June 30, 2019
	$
Operating cash flows used in operating lease		434

	As of June 30,
	2019
Weighted average remaining lease term (years)		3.81
Weighted average discount rate		9.05	%

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

	$
Year ending December 31, 2019		792
Year ending December 31, 2020		798
Year ending December 31, 2021		786
Year ending December 31, 2022		789
Year ending December 31, 2023		793
Total		3,958