INTEREST EXPENSE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest Expense [Line Items]
Amortization of deferred financing costs	$ 219	$ 230	$ 547	$ 405
Interest rate swaps	280	329	564	662
Deferred payment liability	44	43	89	97
Interest capitalized	(538)	0	538	172
Interest expense	2,236	2,439	4,940	4,440
Bank indebtedness
Interest Expense [Line Items]
Debt	282	243	533	439
Long-term debt - senior
Interest Expense [Line Items]
Debt	1,949	1,559	3,745	2,951
Subordinated note
Interest Expense [Line Items]
Debt	$ 0	$ 35	$ 0	$ 58