Accrued expenses (Tables)

3 Months Ended

Mar. 31, 2017

Accrued expenses

Schedule of the components of accrued expenses

	March 31,		December 31,
	2017		2016
Bonus	$	34,846	$	611,228
Deferred revenue(*)		821,447		881,715
Deferred incentive(**)		699,798		1,087,591
Other(***)		3,660,364		2,773,201
Total accrued expenses	$	5,216,455	$	5,353,735

(*)Current deferred revenue will be recognized as revenue ratably over the next 12 months.  As of March 31, 2017, included in the balance sheet classification “Other long-term liabilities” is the non-current portion of deferred revenue in the amount of $0.5 million. The long-term portion of deferred revenue balance as of December 31, 2016 was approximately $0.7 million.

(**)As of March 31, 2017 and December 31, 2016, the Company recorded approximately $0.7 million and $1.1 million, respectively, in short-term incentives in relation to future obligations under contracts. As of  December 31, 2016, included in the balance sheet classification “Other long-term liabilities” is the non‑current portion of these incentives of approximately $0.1 million.    

(***)As of March 31, 2017 and December 31, 2016, included in “other” were third party referral commissions of approximately $0.8 million and $0.6 million, respectively. No other amount included in “Other” exceeded 10% of total current liabilities.