Note 12 - Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Six Months Ended September 30, 2016
	Foreign Currency			Unrealized Gains (Losses) on Securities			Defined Benefit Pension Plans			Accumulated Other Comprehensive Income (Loss)
	(unaudited)
Balance as of March 31, 2016	$	(10,639	)	$	(82	)	$	(9,545	)	$	(20,266	)
Other comprehensive income (loss) before reclassifications		(2,388	)		132			-			(2,256	)
Net (gain) loss reclassified from accumulated other comprehensive income (loss)		-			(31	)		-			(31	)
Net current period other comprehensive income (loss)		(2,388	)		101			-			(2,287	)
Balance as of September 30, 2016	$	(13,027	)	$	19		$	(9,545	)	$	(22,553	)

	Six Months Ended September 30, 2015
	Foreign Currency			Unrealized Gains (Losses) on Securities			Defined Benefit Pension Plans			Accumulated Other Comprehensive Income (Loss)
	(unaudited)
Balance as of March 31, 2015	$	(13,577	)	$	7		$	(9,518	)	$	(23,088	)
Other comprehensive income (loss) before reclassifications		3,561			(302	)		-			3,259
Net (gain) loss reclassified from accumulated other comprehensive income (loss)		-			272			-			272
Net current period other comprehensive income (loss)		3,561			(30	)		-			3,531
Balance as of September 30, 2015	$	(10,016	)	$	(23	)	$	(9,518	)	$	(19,557	)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Accumulated Other Comprehensive Income (Loss) Components	Amount Reclassified from Accumulated Other Comprehensive Income (Loss)												Impacted Line Item on Unaudited Condensed Consolidated Income Statements
	Three Months Ended September 30,						Six Months Ended September 30,
	2016			2015			2016			2015
	(unaudited)						(unaudited)
Net gain on investments	$	201		$	-		$	201		$	-		Other income (expense), net
Impairment of marketable securities		-			(454	)		(151	)		(454	)	Other income (expense), net
Subtotal		201			(454	)		50			(454	)	Income before income tax provision
Tax impact		(80	)		182			(19	)		182		Provision for income tax
Total reclassifications for the period	$	121		$	(272	)	$	31		$	(272	)	Net income