The Company, Description of Business, and Liquidity - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) Customer	Jun. 30, 2016	Jun. 30, 2017 USD ($) Customer	Jun. 30, 2016	Dec. 31, 2016 USD ($)
Concentration Risk [Line Items]
Working Capital | $	$ 3,720,772		$ 3,720,772		$ 3,116,055
Revenue [Member]
Concentration Risk [Line Items]
Number of customer | Customer	2		2
Customer Accounted [Member] | Revenue [Member]
Concentration Risk [Line Items]
Percentage of revenue	51.80%	55.60%	53.50%	55.40%