Property and Equipment (Detail) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Property, equipment, and leasehold improvements, at cost:
Office furniture and equipment	$ 112,049	$ 110,173
Machinery and equipment	11,502,983	10,560,393
Purchased software	147,547	147,547
Subtotal - property and equipment, at cost	11,762,579	10,818,113
Less accumulated depreciation	(2,778,485)	(2,139,181)
Net property and equipment	$ 8,984,094	$ 8,678,932