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Note 4 - Leases (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

		Three Months
		Ended
		March 31,
		2019
		(Unaudited)
Finance lease expense:
Amortization expense		$	111
Interest expense			91
Operating lease expense			351
Variable lease expense			79
Total lease expense		$	634

Supplemental Cash Flow Information Related to Leases [Table Text Block]

		Three Months
		Ended
		March 31,
		2019
		(Unaudited)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	354
Operating cash flows from finance leases			91
Financing cash flows from finance leases			146

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

		Operating				Finance
		Leases				Leases
2020		$	1,445			$	945
2021			1,428				927
2022			1,480				612
2023			1,496				612
2024			1,514				607
Thereafter			3,867				1,006
Total lease payments			11,230				4,709
Less imputed interest			(2,883	)			(1,188	)
Total		$	8,347			$	3,521

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

		Operating				Finance
		Leases				Leases
2019		$	1,453			$	927
2020			1,387				881
2021			1,430				580
2022			1,443				548
2023			1,459				548
Thereafter			4,101				1,143
Total lease payments			11,273				4,627
Less imputed interest							(1,230	)
Total						$	3,397

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

		Operating				Finance
		Leases				Leases
Weighted-average remaining lease term (years)			7.8				5.7
Weighted-average discount rate (percentage)			8.0				10.4