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Note 5 - Leases (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

		Three Months Ended March 31,
		2019
Finance lease cost:
Amortization of right-of-use assets		$	109
Interest on lease liabilities			15
Operating lease cost			425
Short-term lease cost			262
Variable lease cost			40
Total lease cost		$	851

Lessee, Liability, Maturity [Table Text Block]

		Finance Leases				Operating Leases

2019		$	348			$	1,334
2020			375				1,664
2021			258				1,134
2022			237				903
2023			34				752
Thereafter			-				4,338
Total lease payments			1,252				10,125
Amount representing interest			(103	)			(1,839	)
Present value of lease liabilities			1,149				8,286
Current portion of lease liabilities, included in Accrued liabilities			(393	)			(1,426	)
Lease liabilities, less current portion, included in Other long-term liabilities		$	756			$	6,860

Lease Terms and Discount Rates for Lease Liabilities [Table Text Block]

		March 31, 2019
Weighted-average remaining lease term (years)
Finance leases			3.28
Operating leases			8.85
Weighted-average discount rate
Finance leases			5.03	%
Operating leases			4.55	%

Other Information Related to Operating and Finance Leases [Table Text Block]

		Three Months Ended March 31,
		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	(415	)
Operating cash flows from finance leases			(15	)
Financing cash flows from finance leases			(107	)
Right-of-use assets obtained in exchange for operating lease liabilities			506
Right-of-use assets obtained in exchange for finance lease liabilities			-