Property and Equipment (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 496,908	$ 395,358	$ 400,154
Accumulated depreciation	3,025,628	1,773,318
Capital Lease Obligations			176,200
Disposal Of Property And Equipment [Member]
Property, Plant and Equipment [Line Items]
Accumulated depreciation			206,200
Depreciated Equipment Historical Cost, Gross			206,900
Lease Agreements [Member]
Property, Plant and Equipment [Line Items]
Depreciation expense	548,000	477,500
Capital Lease Obligations [Member]
Property, Plant and Equipment [Line Items]
Depreciation expense	72,100	58,700	66,700
Accumulated depreciation	481,000	408,900
Capital lease assets, net	67,000	68,600
Capital Lease Obligations [Member] | Disposal Of Property And Equipment [Member]
Property, Plant and Equipment [Line Items]
Capital Leased Assets, Gross			130,700
Accumulated depreciation			$ 130,700