Description of Business - Additional Information (Detail) - USD ($)		1 Months Ended			3 Months Ended		6 Months Ended
	Nov. 09, 2017	Oct. 17, 2017	Mar. 30, 2017	Jan. 18, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017	Dec. 21, 2016	Nov. 30, 2016	Mar. 31, 2016	Feb. 28, 2015	Jul. 31, 2014
Description Of Business [Line Items]
Retained Earnings (Accumulated Deficit), Total					$ (45,148,985)		$ (45,148,985)		$ (37,654,381)
Class of Warrant or Right, Exercise Price of Warrants or Rights											$ 9.00		$ 9.00	$ 10.00
Cash and Cash Equivalents, at Carrying Value, Total					30,203,773	$ 3,793,502	30,203,773	$ 3,793,502	$ 8,664,211			$ 9,270,010
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total					$ (4,233,120)	$ (1,470,754)	$ (8,066,228)	$ (2,370,132)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					19,000		19,000						10,000	100,000
Increase (Decrease) in Operating Capital							$ 7,000,000
Warrants To Purchase Common Stock Shares											5,000
Derivative, Underlying Risk, Description				In Arrangement A, the ACO takes 80% of Medicare Part A and Part B risk. In Arrangement B, the ACO takes 100% of Medicare Part A and Part B risk. Under each risk arrangement, the ACO can cap aggregate savings and losses anywhere between 5% to 15%. The cap is elected annually by the ACO. APAACO has opted for Risk Arrangement A and a shared savings and losses cap of 5%.
Payment of Infrastructure Cost				$ 6
Subsequent Event [Member]
Description Of Business [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 11
Debt Instrument, Periodic Payment, Principal		$ 9,000,000
Equity Method Investment, Ownership Percentage		82.00%
Debt Instrument, Face Amount		$ 5,000,000
Warrants To Purchase Common Stock Shares		850,000
Stock Issued During Period, Shares, New Issues		2,566,666
Additional Working Capital Loan		$ 4,000,000
Debt Instrument, Convertible, Conversion Price		$ 10.00
Payment Of Revenue	$ 9,300,000
Subsequent Event [Member] | Common Stock [Member]
Description Of Business [Line Items]
Warrants To Purchase Common Stock Shares		900,000
Common Stock Shares Exercisable Price		$ 10.00
ApolloMed ACO [Member]
Description Of Business [Line Items]
Equity Method Investment, Ownership Percentage				50.00%
Noncontrolling Interest, Ownership Percentage by Parent										18.00%
Network Medical Management, Inc. [Member]
Description Of Business [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 11
Equity Method Investment, Ownership Percentage				50.00%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			850,000
Noncontrolling Interest, Ownership Percentage by Parent										82.00%
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			499,000
Network Medical Management, Inc. [Member] | Subsequent Event [Member]
Description Of Business [Line Items]
Debt Instrument, Periodic Payment, Principal		$ 13,990,000
Debt Instrument, Convertible, Conversion Price		$ 10.00