1. Summary of accounts receivable and due from/to government payers (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013
Accounts receivable:
Patient accounts receivable	$ 93,644	$ 83,964
Allowance for doubtful accounts	(33,567)	(21,143)
Accounts receivable, net	60,077	62,821
Due from government payers:
DSH	7,775	5,882
Total Amount due from Government	7,775	5,882
Due to government payers:
Settlement payables	170	179
Total Amount due to Government	$ 170	$ 179