Property and Equipment (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Machinery and equipment	$ 22,863,921	$ 10,429,816
Furniture and fixtures	1,274,477	840,350
Leasehold improvements	28,195,345	12,421,398
Construction in progress	42,270	27,159,066
Subtotal	52,376,013	50,850,630
Less accumulated depreciation	(17,263,032)	(14,380,752)
Total	$ 35,112,981	$ 36,469,878

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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