Preferred and Common Stock - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	6 Months Ended			1 Months Ended	3 Months Ended	1 Months Ended
	Jan. 19, 2012	Jun. 30, 2012	Dec. 31, 2011	Feb. 29, 2012 Stockholders	Feb. 07, 2012 Instant Information Inc	Mar. 31, 2012 Instant Information Inc	May 25, 2012 Thoughtcorp Inc	Feb. 29, 2012 Initial Public Offering	Feb. 29, 2012 Initial Public Offering Common stock	Jan. 19, 2012 After Stock Split
Class of Stock [Line Items]
common stock,stock split ratio	8
Common stock, shares authorized		160,000,000	160,000,000					6,900,000		160,000,000
Preferred stock, shares authorized										40,000,000
Description of Stock Split	The ratio by which the then outstanding shares of Series A-1 Preferred, Series A-2 Preferred and Series A-3 Preferred Stock were convertible into shares of common stock had been adjusted to reflect the effects of the common stock split, such that each share of preferred stock was convertible into eight shares of common stock.
Common stock sold pursuant to over-allotment option granted to underwriters								900,000
Sale of common stock price per share								$ 12.00
Initial Public Offering, commencement date								February 7, 2012
Initial Public Offering, closing date								February 13, 2012
Issuance of common stock in initial public offering									2,900,000
Common stock, shares sold				4,000,000
Gross proceeds from initial public offering								$ 34,800
Net proceeds from initial public offering								28,969
Underwriter commission								2,436
Offering expensed								3,395
Conversion of preferred stock		21,840,128
Common stock issued, shares					53,336		434,546
Common stock issued, Value						$ 640