Inventory - Additional Information (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Inventory [Line Items]
Write off obsolete inventory	$ 58,221	$ 42,408
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