Note 11 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Leases, Financial Statement Information [Table Text Block]

Assets	Classification	Dece mber 3 1 , 2019
Right-of-use assets	Operating lease right-of-use assets	$	7,702
Finance lease	Property and equipment, net *		1,008
Total leased assets		$	8,710

Liabilities	Classification	December 3 1 , 2019
Operating lease liabilities
Operating lease liabilities, current	Operating lease liabilities	$	2,800
Operating lease liabilities , non-current	Operating lease liabilities, net of current portion		5,112
Total operating lease liabilities		$	7,912

Finance lease liabilities
Finance lease liabilities, current	Accrued liabilities	$	541
Finance lease liabilities, non-current	Other long-term liabilities		578
Total finance lease liabilities		$	1,119

Finance lease cost	Amortization expense	$	704
Finance lease cost	Interest for finance lease		88
Operating lease cost	Operating lease expense		2,892

Operating cash flow	Finance lease	$	88
Financing cash flow	Finance lease		649
Operating cash flow	Operating lease		2,820

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

	Operating leases
2020	$	2,868
2021		2,613
2022		2,821
2023		326
2024		26
Total lease payments		8,654
Less: imputed interest		742
Present value of lease liabilities	$	7,912

Finance Lease, Liability, Maturity [Table Text Block]

	Operating leases
2020	$	543
2021		412
2022		253
2023		4
Total lease payments		1,212
Less: imputed interest		93
Present value of lease liabilities	$	1,119

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

	Operating leases
2019	$	3,011
2020		2,939
2021		2,564
2022		2,495
2023 and thereafter		214
Future minimum rental payments	$	11,223

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

	Operating leases
2019	$	576
2020		287
2021		152
Future minimum lease payments	$	1,015

Lease, Cost [Table Text Block]

Lease Term and Discount Rate
Weighted-average remaining lease term (years)
Operating leases	3.0
Finance leases	2.5
Weighted-average discount rate
Operating leases	4.4	%
Finance leases	5.6	%