Capital Stock (Tables)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Summary of Shares of Common Stock Reserved for Future Issuance

At September 30, 2018, the Company had shares of common stock reserved for future issuance as follows:

Options outstanding	4,492,689
Commitment to issue shares to trade creditor	160,192
Options available for future grant	4,952,088
Convertible preferred stock	6,277,626
Warrants	3,951,052
	19,833,647