Investment in life insurance contract (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Investment In Life Insurance Contract Details Narrative
Investment in life insurance contracts	$ 131	$ 127
Change in fair value of life insurance contract	$ (4)	$ (5)

Carrying amount of life settlement contracts accounted for under the investment method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Life Settlement Contract

-URI http://asc.fasb.org/extlink&oid=6516907

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6385267&loc=d3e42674-111610

Name:	us-gaap_LifeSettlementContractsInvestmentMethodCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant