Accounts and Taxes Payable and Accrued Liabilities (Details 1) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Accrued liabilities
Payroll, payroll taxes and employee benefits	$ 14,855,000	$ 13,575,000
Customer deposits	10,107,000	5,817,000
Accrued professional service fees	3,463,000	3,656,000
Self-insurance accruals	3,425,000	3,370,000
Deferred revenue	4,246,000	2,779,000
Accrued rent	2,291,000	2,024,000
Accrued legal settlements	280,000	408,000
Other	501,000	360,000
Total Accrued Liabilities	$ 39,168,000	$ 31,989,000