Accrued expenses (Tables)

12 Months Ended

Dec. 31, 2015

Accrued expenses

Schedule of the components of accrued expenses

	As of December 31,
	2015		2014
Bonus	$	710,739	$	116,476
Professional fees		—		175,465
Gift card liabilities		—		28,167
Deferred revenue(*)		688,418		800,650
Deferred incentive(**)		950,000		—
Other(***)		4,089,443		1,797,887
Total accrued expenses	$	6,438,600	$	2,918,645

(*)          Short-term deferred revenue will be recognized as revenue ratably over the next 12 months. As of December 31, 2015, included in the balance sheet classification “Other long-term liabilities” is the non‑current portion of deferred revenue in the amount of approximately $0.6 million. The long-term portion of deferred revenue as of December 31, 2014 was approximately $1.0 million.

(**)        As of December 31, 2015, the Company recorded approximately $1.0 million in short-term incentives in relation to future obligations under a contract.  Additionally, as of December 31, 2015, included in the balance sheet classification “Other long-term liabilities” is the non‑current portion of these incentives of approximately $0.7 million.

(***)      As of December 31, 2015, included in “other” were third party referral commissions of approximately $1.6 million.  No other amount exceeded 10% of total current liabilities.