Medical Payables (Detail) - USD ($)	6 Months Ended	12 Months Ended
	Sep. 30, 2017	Mar. 31, 2017
Medical Payables [Line Items]
Balance, beginning of period	$ 1,768,231	$ 2,670,709
Incurred health care costs:
Current year	60,445,600	10,365,502
Claims paid:
Current year	(30,685,463)	(8,524,215)
Prior years	(1,829,866)	(1,881,869)
Total claims paid	(32,515,329)	(10,406,084)
Risk pool settlement	0	814,733
Accrual for net surplus (deficit) from full risk capitation contracts	995,671	(1,676,629)
Balance, end of period	$ 30,694,173	$ 1,768,231