Property and Equipment (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Property, equipment, and leasehold improvements, at cost:
Equipment	$ 18,700	$ 13,754
Machinery and equipment	8,803,087	2,611,933
Purchased software	145,622	129,753
Furniture and fixtures	14,599	13,090
Subtotal - property and equipment, at cost	8,982,008	2,768,530
Less accumulated depreciation	(1,082,522)	(763,315)
Net property and equipment	$ 7,899,486	$ 2,005,215