Note 9 - Term Loan and Line of Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	2018
	Gross Amount		Debt Issuance Costs			Net Amount
Term loan agreement	$	10,898	$	(153	)	$	10,745
Less current portion		597		(19	)		578
Long-term debt	$	10,301	$	(134	)	$	10,167

	2017
	Gross Amount		Debt Issuance Costs			Net Amount
Term loan agreement	$	11,464	$	(172	)	$	11,292
Less current portion		566		(19	)		547
Long-term debt	$	10,898	$	(153	)	$	10,745

Schedule of Maturities of Long-term Debt [Table Text Block]

2019	$	597
2020		629
2021		664
2022		700
2023		739
Thereafter		7,569
Total	$	10,898