Series A Redeemable Convertible Preferred Stock (Tables)

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

Embedded Derivative Instruments Rollforward

The fair value of these derivative instruments and the loss recorded on the change in the fair value of these derivative instruments, which was included in “Interest and other income, net” within the condensed consolidated statement of operations, for the three months ended March 31, 2017 and 2016, were as follows:

	Three Months Ended March 31,
	2017		2016
Beginning Balance	$	336,862	$	82,024
Total loss recognized in earnings	18,750		51,205
Ending Balance	$	355,612	$	133,229

Reconciliation of net (loss) income attributable to common stockholders

The following represents a reconciliation of net loss attributable to common stockholders for the three months ended March 31, 2017 and 2016:

	Three Months Ended March 31,
	2017			2016
Net loss	$	(1,112,197	)	$	(4,296,612	)
Effects of Series A redeemable convertible preferred stock:
Less: Series A redeemable convertible preferred stock dividends	204,575			192,608
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	—			163,669
Net loss attributable to common stockholders	$	(1,316,772	)	$	(4,652,889	)