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Summary of Significant Accounting Policies (Details 3) (USD $)
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3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
|
Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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Dec. 31, 2011
|
|
| Sales | $ 28,515,483 | $ 18,869,103 | $ 53,439,519 | $ 38,171,872 | $ 77,768,138 | $ 21,197,518 |
| Discounts | (3,035,424) | (3,439,763) | (5,398,293) | (6,181,852) | (10,712,923) | (3,984,882) |
| Sales - Net | $ 25,480,059 | $ 15,429,340 | $ 48,041,226 | $ 31,990,020 | $ 67,055,215 | $ 17,212,636 |