LETTERS OF CREDIT (Details) - USD ($)	Jun. 30, 2015	Mar. 31, 2015
Credit facilities
Long-term restricted cash, as determined by the expiration date of the underlying letters of credit	$ 25,000	$ 208,000
Standby letters of credit
Credit facilities
Outstanding Amount	10,240,000
Restricted cash balance	5,546,000
Long-term restricted cash, as determined by the expiration date of the underlying letters of credit	$ 25,000
Standby letters of credit | Minimum
Credit facilities
Percentage of outstanding amount that is cash secured	49.00%
Standby letters of credit | Maximum
Credit facilities
Percentage of outstanding amount that is cash secured	77.00%