Note 5 - Accrued Expenses and Other Short Term Liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	December 31,
	2017		2016
Employees	$	17,748	$	12,306
Accrued expenses		9,507		6,777
Government authorities and other		14,006		8,293
Foreign exchange forward contract derivatives		-		479
Other short term liabilities		1,192		624
	$	42,453	$	28,479