Property, Plant and Equipment (Details) (USD $)	12 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Details
Depreciation Expense	$ 188,000	$ 197,000

Amount of total depreciation expense for property, plant and equipment. Includes production and non-production related depreciation.

No definition available.

Name:	us-gaap_DepreciationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration