Inventory - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Inventory [Line Items]
Change in inventory valuation reserves	$ 18,237	$ 21,926
Inventory reserves included in cost of revenue	$ 30,542	$ 21,926
Minimum
Inventory [Line Items]
Period of time customers use to evaluate the Company’s equipment	90 days
Maximum
Inventory [Line Items]
Period of time customers use to evaluate the Company’s equipment	180 days