Warrants (Detail) - $ / shares		6 Months Ended
		Sep. 30, 2017	Nov. 30, 2016	Feb. 28, 2015	Jul. 31, 2014
Class of Warrant or Right [Line Items]
Exercise Price Per Share			$ 9.00	$ 9.00	$ 10.00
Warrant Exercise Price Range One 4.00 - 5.00
Class of Warrant or Right [Line Items]
Warrants outstanding	[1]	169,500
Weighted average remaining contractual life		4 months 20 days
Warrants exercisable		169,500
Weighted average exercise price per share		$ 4.46
Warrant Exercise Price Range One 4.00 - 5.00 | Maximum [Member]
Class of Warrant or Right [Line Items]
Exercise Price Per Share		5.00
Warrant Exercise Price Range One 4.00 - 5.00 | Minimum [Member]
Class of Warrant or Right [Line Items]
Exercise Price Per Share		$ 4.00
Warrant Exercise Price Range Two 9.00 - 10.00
Class of Warrant or Right [Line Items]
Warrants outstanding	[2]	1,781,666
Weighted average remaining contractual life		3 years 14 days
Warrants exercisable		1,781,666
Weighted average exercise price per share		$ 9.37
Warrant Exercise Price Range Two 9.00 - 10.00 | Maximum [Member]
Class of Warrant or Right [Line Items]
Exercise Price Per Share		10.00
Warrant Exercise Price Range Two 9.00 - 10.00 | Minimum [Member]
Class of Warrant or Right [Line Items]
Exercise Price Per Share		$ 9.00
Warrant Exercise Price Range Three 4.00 - 10.00
Class of Warrant or Right [Line Items]
Warrants outstanding		1,951,166
Weighted average remaining contractual life		2 years 9 months 22 days
Warrants exercisable		1,951,166
Weighted average exercise price per share		$ 8.94
Warrant Exercise Price Range Three 4.00 - 10.00 | Maximum [Member]
Class of Warrant or Right [Line Items]
Exercise Price Per Share		10.00
Warrant Exercise Price Range Three 4.00 - 10.00 | Minimum [Member]
Class of Warrant or Right [Line Items]
Exercise Price Per Share		$ 4.00

[1] Such warrants outstanding as of September 30, 2017 comprise warrants issued in October 2009 in connection with the Company’s 10% Senior Subordinated Callable Convertible Notes and warrants issued in January 2013 in connection with the Company’s 9% Senior Subordinated Callable Convertible Promissory Notes. The 2009 warrants have expired as of the date of this Quarterly Report on Form 10-Q. The 2013 warrants may be exercised at an exercise price of $4.50 per share at any time until the end of January 2018. In addition, in November, 2016, in connection with the acquisition of BAHA, the Company issued to Scott Enderby, D.O., a warrant to purchase 24,000 shares of Common Stock at an exercise price of $4.50 per share.

[2] In July 2014, in connection with the acquisition of SCHC, the Company issued to Stanley Lau, M.D., and Yih Jen Kok, M.D., warrants to purchase up to 100,000 shares of Common Stock (on a post stock-split basis) at an exercise price of $10.00 per share exercisable until July 21, 2018. In February 2015, in consideration of services rendered to the Company, the Company issued to RedChip Companies, Inc. a warrant to purchase up to 10,000 shares of Common Stock (on a post stock-split basis) at an exercise price of $9.00 per share exercisable until February 20, 2018. In connection with NMM’s investments in the Company, in October, 2015 and March 2016, respectively, the Company issued to NMM a stock purchase warrant (the “Series A Warrant”) to purchase up to 1,111,111 shares of Common Stock at an exercise price of $9.00 per share, and a stock purchase warrant (the “Series B Warrant”) to purchase up to 555,555 shares of Common Stock at an exercise price of $10.00 per share. In November, 2016, in connection with a promissory note issued to Liviu Chindris, M.D., which the Company has repaid in full, the Company issued to Dr. Chindris a warrant to purchase up to 5,000 shares of Common Stock at an exercise price of $9.00 per share.