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Note 10 - Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Dec. 31, 2017

Notes Tables

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

		Foreign Currency Translation				AOCI
Balance at September 30, 2017		$	(61	)		$	(61	)
Quarter ended December 31 , 2017:
Unrealized gain arising during the period			181				181
Balance at December 31, 2017		$	120			$	120

		Foreign Currency Translation				AOCI
Balance at September 30, 2016		$	(1,286	)		$	(1,286	)
Quarter ended December 31 , 2016:
Unrealized loss arising during the period			(634	)			(634	)
Balance at December 31 , 2016		$	(1,920	)		$	(1,920	)

		Foreign Currency Translation				AOCI
Balance at March 31 , 2017		$	(1,760	)		$	(1,760	)
Nine months ended December 31 , 2017:
Unrealized gain arising during the period			1,880				1,880
Balance at December 31 , 2017		$	120			$	120

		Foreign Currency Translation				AOCI
Balance at March 31 , 2016		$	(1,151	)		$	(1,151	)
Nine months ended December 31 , 2016:
Unrealized loss arising during the period			(769	)			(769	)
Balance at December 31 , 2016		$	(1,920	)		$	(1,920	)