FAIR VALUE MEASUREMENTS: (Details Textual) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended		6 Months Ended
	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Mar. 31, 2013	Mar. 31, 2012	Sep. 30, 2013 Maximum [Member] USD ($)	Sep. 30, 2013 Minimum [Member] USD ($)	Sep. 30, 2013 Eureka [Member] USD ($)	Sep. 30, 2013 Gentech [Member] GBP (£)	Sep. 30, 2013 Rtd [Member] USD ($)
Percentage Of Discount Rates For Present Value Of Foreign Currency Contracts									16.00%	3.30%	10.00%
Forecasted Annual Earnings Before Interest Taxes Depreciation and Amortization									$ 1,039
Forecasted Annual Revenues										10,800	16,000
Impairment of asset held for sale	0	489	0	489
Percentage Of Foreign Currency Appreciated			2.10%		0.70%	3.60%
Derivative, Notional Amount	15,400		15,400
Foreign Currency Average Exchange Rates			0.1580
Description Of Additional Foreign Currency Exchange Losses			With the RMB/U.S. dollar contracts, for every 10 percent depreciation of the RMB, the Company would be exposed to approximately $1,540 in additional foreign currency exchange losses.
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Change In Fair Value			$ (1,053)				$ 1,053	$ 108