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Long-term debts, net - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended	12 Months Ended
	Dec. 08, 2015	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Feb. 22, 2016	Nov. 16, 2015
Debt Instrument [Line Items]
Warrants issued in relation to term loan		$ 492	$ 492	$ 1,586
Promissory note	$ 10,000
Promissory note, interest rate	10.00%
Closing stock market price			$ 3.45
Promissory Note [Member]
Debt Instrument [Line Items]
Unamortized debt discount			$ 350	409
Series B Preferred Stock [Member]
Debt Instrument [Line Items]
Number of common stock shares that warrants to purchase						749,625
Number of shares granted	100
Amount of increment pursuant to issue of preferred shares	$ 1,000
Preferred stock, shares issued upon conversion	50				22,548,100
Closing stock market price						$ 6.67
Michael Brauser, Executive Chairman of the Board [Member]
Debt Instrument [Line Items]
Promissory note	$ 4,000
Another Investor [Member]
Debt Instrument [Line Items]
Promissory note	1,000
Frost Gamma Investments Trust [Member]
Debt Instrument [Line Items]
Promissory note	$ 5,000
Fluent Acquisition [Member] \| Cash and Cash Equivalents [Member]
Debt Instrument [Line Items]
Financial covenant compliance, minimum cash and cash equivalent balance			$ 2,000
Whitehorse Warrants [Member]
Debt Instrument [Line Items]
Number of common stock shares that warrants to purchase		100,000	200,000
Warrants expiration period			10 years
Exercise price of warrants	$ 5.08	$ 5.08	$ 8.00
Warrants expiration date		Sep. 30, 2026
Warrants issued in relation to term loan			$ 492
Fair value of warrant liability			$ 492	$ 1,586
Promissory Note Shares [Member] \| Promissory Note [Member]
Debt Instrument [Line Items]
Fair value of promissory note shares	$ 413
Closing stock market price	$ 8.45
Promissory Note Shares [Member] \| Series B Preferred Stock [Member]
Debt Instrument [Line Items]
Number of shares granted	1,000
Term Loan [Member]
Debt Instrument [Line Items]
Term Loan	$ 45,000
Term Loan, expiry period	5 years
Term loan, frequency of periodic interest payment			Monthly
Debt instrument, payment term			Payments of principal in the amount of $563 each are due on the last day of each quarter
Debt instrument, periodic principal payment			$ 563
Debt instrument, percentage of excess cash flow to be paid			50.00%
Debt instrument, period with prepayment premium			First 4 years
Additional amount reclassified into current portion of long-term debt			$ 1,885
Exercise price of warrants				$ 8.00
Unamortized debt discount			$ 1,679	$ 1,564
Term Loan [Member] \| Interest Rate Floor [Member]
Debt Instrument [Line Items]
Term loan, interest rate			0.50%
Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Term loan, interest rate			10.50%
Term loan, additional interest rate			1.00%