Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 1,708	$ 1,897
Finished goods	35,036	60,969
Inventory, gross	36,744	62,866
Excess and obsolete inventory reserves	(11,362)	(20,163)
Inventories, net	$ 25,382	$ 42,703

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
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