Note 6 - Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	Payments Due By Period
2017	$	4,703
2018		4,355
2019		4,423
2020		3,456
2021		3,466
Thereafter		13,035
	$	33,438