Note 10 - Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Sep. 30, 2017

Notes Tables

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

	Foreign Currency			Unrealized Losses on Securities			Defined Benefit Pension Plans			Accumulated Other Comprehensive Income (Loss)
				(unaudited)
Balance as of March 31, 2017	$	(19,233	)	$	(219	)	$	(9,093	)	$	(28,545	)
Other comprehensive income (loss) before reclassifications		10,677			(138	)		-			10,539
Net current period other comprehensive income (loss)		10,677			(138	)		-			10,539
Balance as of September 30, 2017	$	(8,556	)	$	(357	)	$	(9,093	)	$	(18,006	)

	Foreign Currency			Unrealized Gains (Losses) on Securities			Defined Benefit Pension Plans			Accumulated Other Comprehensive 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 loss reclassified from accumulated other comprehensive 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	)

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

Accumulated Other Comprehensive Income (Loss) Components	Amount Reclassified from Accumulated Other Comprehensive Loss										Impacted Line Item on Unaudited Condensed Consolidated Statements of Operations
	Three Months Ended September 30,					Six Months Ended September 30,
	2017		2016			2017		2016
	(unaudited)					(unaudited)
Net gain on investments	$	-	$	201		$	-	$	201		Other income (expense), net
Impairment of marketable securities		-		-			-		(151	)	Other income (expense), net
Subtotal		-		201			-		50		Income before income tax provision
Tax impact		-		(80	)		-		(19	)	Provision for income tax
Total reclassifications for the period	$	-	$	121		$	-	$	31		Net income