2. PROPERTY AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Property, Plant and Equipment [Abstract]
Buildings	$ 36,536	$ 35,376
Land and improvements	13,523	13,523
Equipment	28,534	18,268
Construction in progress		1,160
Assets under capital leases	13,267	11,218
Property and equipment, gross	91,860	79,545
Less accumulated depreciation	(27,872)	(24,016)
Property and equipment, net	$ 63,988	$ 55,529