Segments (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of segment profit or loss:
Net revenue	$ 279,633,212	$ 215,779,014
Income from operations	15,083,900	12,053,572
Interest income	1,348,646	703,039
Interest expense	2,103,103	1,446,192
Depreciation and amortization	4,961,510	3,776,545
Income tax expense	1,907,611	2,040,246
Wholesale segment [Member]
Summary of segment profit or loss:
Net revenue	171,041,099	162,236,470
Income from operations	11,474,640	11,168,215
Interest income	1,336,513	695,333
Interest expense	1,911,212	1,367,598
Depreciation and amortization	989,594	998,702
Income tax expense	1,024,133	1,825,797
Retail segment [Member]
Summary of segment profit or loss:
Net revenue	108,592,113	53,542,544
Income from operations	3,609,260	885,357
Interest income	12,133	7,706
Interest expense	191,891	77,339
Depreciation and amortization	3,977,325	2,777,843
Income tax expense	883,478	214,449
Corporate and Other [Member]
Summary of segment profit or loss:
Net revenue
Income from operations
Interest income
Interest expense		1,255
Depreciation and amortization
Income tax expense