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Note 6 - Leases (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

		Year Ended December 31, 2019
Components of lease costs:
Operating lease costs		$	370
Short-term lease costs			527
Finance lease costs			98
Total lease costs		$	995

Schedule of Lessee, Leases, Weighted Average Remaining Term and Discount Rate [Table Text Block]

		December 31 , 2019
Weighted average remaining lease term (years):
Operating leases			2.9
Finance leases			4.3
Weighted average discount rate:
Operating leases			3.25	%
Finance leases			3.25	%

Schedule of Components of Lease Assets and Liabilities [Table Text Block]

		December 31 , 2019
		Operating Leases				Financing Leases				Total Leases

Other assets - right-of-use assets		$	1,260			$	550			$	1,810
Lease liabilities included in:
Accrued expenses - current portion of lease liabilities		$	520			$	120			$	640
Other long-term liabilities - non-current portion of lease liabilities			730				440				1,170
Total lease liabilities		$	1,250			$	560			$	1,810

Lessee, Lease Liability, Maturity [Table Text Block]

		December 3 1 , 2019				December 31, 2018
2019		$	712			$	702
2020			524				411
2021			360				260
2022			241				124
2023			46				75
Thereafter			9				10
Total lease payments			1,892			$	1,582
Less: Interest			(82	)
Present value of lease liabilities		$	1,810