Discontinued Operations - Additional Information (Detail) (USD $)	3 Months Ended
	Oct. 31, 2013 Location	Dec. 31, 2014	Dec. 31, 2013	Jul. 22, 2013
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Amount of special charge liability acquired as part of reverse acquisition		$ 110,421	$ 78,235	$ 475,570
Reverse Acquisition
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Amount of special charge liability acquired as part of reverse acquisition		$ 475,570
Sleep diagnostic locations
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of locations closed or sold	24
Sleep Therapy Business
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of locations closed or sold	5