Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2015	Feb. 29, 2016	Oct. 01, 2015
Goodwill And Intangible Assets Disclosure [Line Items]
Impairment of goodwill			$ 8,771
Stock price	$ 1.99		$ 1.99	$ 1.56	$ 3.64
Identity
Goodwill And Intangible Assets Disclosure [Line Items]
Impairment of goodwill		$ 1,000
PACS
Goodwill And Intangible Assets Disclosure [Line Items]
Impairment of goodwill	$ 7,800