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Long-term debts, net - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		12 Months Ended
	Jan. 19, 2017	Dec. 08, 2015	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Feb. 01, 2017	Feb. 22, 2016
Debt Instrument [Line Items]
Non-current portion of long-term debt			$ 60,237		$ 45,878
Principal amount			67,062		52,750
Long-term debt			$ 62,987		50,013
Promissory notes		$ 10,000
Promissory note, interest rate		10.00%	10.00%
Interest paid			$ 1,247	$ 1,276
Closing stock market price			$ 4.65
Promissory Note [Member]
Debt Instrument [Line Items]
Unamortized debt discount			$ 344		$ 350
Series B Preferred Stock [Member]
Debt Instrument [Line Items]
Number of shares granted		100	0		0
Amount of increment pursuant to issue of preferred shares		$ 1,000
Preferred stock, shares issued upon conversion					50		50
Michael Brauser, Executive Chairman of the Board [Member]
Debt Instrument [Line Items]
Long-term debt			$ 4,135
Promissory notes		4,000
Michael Brauser, Executive Chairman of the Board [Member] \| Payment in Kind (PIK) Note [Member]
Debt Instrument [Line Items]
Interest paid			426
Another Investor [Member]
Debt Instrument [Line Items]
Long-term debt			1,034
Promissory notes		1,000
Another Investor [Member] \| Payment in Kind (PIK) Note [Member]
Debt Instrument [Line Items]
Interest paid			107
Frost Gamma Investments Trust [Member]
Debt Instrument [Line Items]
Long-term debt			5,169
Promissory notes		5,000
Frost Gamma Investments Trust [Member] \| Payment in Kind (PIK) Note [Member]
Debt Instrument [Line Items]
Interest paid			533
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			300,000
Exercise price of warrants			$ 5.08
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
Debt instrument, payment term			payments of principal in the amount of $563 each were due on the last day of each quarter
Debt instrument, periodic principal payment			$ 563		$ 563
Debt instrument, percentage of excess cash flow to be paid			50.00%
Debt instrument, period with prepayment premium			First 4 years
Current portion of long-term debt					$ 1,885
Non-current portion of long-term debt			$ 1,885
Term Loan [Member] \| Interest Rate Floor [Member]
Debt Instrument [Line Items]
Term Loans, Interest rate			0.50%
Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Term Loans, Interest rate			10.50%
Incremental Term Loan [Member]
Debt Instrument [Line Items]
Principal amount	$ 15,000
Long-term debt						$ 14,039
Debt issuance costs						$ 961
Term Loans [Member]
Debt Instrument [Line Items]
Debt instrument, periodic principal payment			$ 688
Debt Instrument, maturity date	Dec. 08, 2020
Term Loans [Member] \| Interest Rate Floor [Member]
Debt Instrument [Line Items]
Term Loans, Interest rate	0.50%
Term Loans [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Term Loans, Interest rate	10.50%
Term loan, additional interest rate	1.00%
Term Loans [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Term Loans, Interest rate	9.50%