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Segment Information (Schedule of Net Sales by Geographical Area) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations	$ 44,568	$ 38,076	$ 40,932
Net sales from discontinued operations		1
Total net sales	44,568	38,077	40,932
UNITED STATES [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations	8,116	9,910	11,081
UNITED KINGDOM [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations	1,007	1,023	1,721
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations	6,403	3,501	6,197
Segments Geographical Location Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations	2,585	2,018	2,521
HONG KONG [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations	7,672	5,505	3,550
CHINA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations	$ 18,785	$ 16,119	$ 15,862

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts, including revenue from both continuing and discontinued operations.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (b)
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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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