Business Combination - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended
	Oct. 31, 2014	Jun. 30, 2015	Mar. 31, 2015
Business Acquisition [Line Items]
Preliminary purchase price allocation, goodwill		$ 2,053	$ 2,053
Ducksboard [Member]
Business Acquisition [Line Items]
Number of shares issued to acquire capital stock	121,493
Number of common stock shares issued	108,234
Shares issued on closing date	13,259
Purchase consideration paid in cash	$ 2,300
Business acquisition, aggregate purchase price	4,200
Preliminary purchase price allocation, goodwill	2,100
Preliminary purchase price allocation, identifiable intangible assets	2,800
Preliminary purchase price allocation, net liabilities assumed	$ 700
Business acquisition obligation to issue common stock, shares	128,507
Service period of compensation expense	3 years