Property and Equipment (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Property and Equipment (Textual)
Depreciation expense	$ 8,128,805	$ 8,469,771
Depreciation included in cost of revenues and operating expenses	7,299,775	7,244,647
Depreciation on equipment held for operating lease		$ 503,675
Loss from impairment of property and equipment	$ (6,599,487)