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Valuation and Qualifying Accounts (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Increase in valuation allowance during the year |  | $ 4,202,854 |
Revaluation of deferred income tax balances for new rates under TCJA |  | 4,867,893 |
Allowance for uncollectible amounts, cash discounts, chargebacks, and credits issued for damaged products: |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | $ 507,534 | 449,859 | $ 381,240
Charged to costs and expenses | 6,286,581 | 5,066,526 | 3,755,804
Charged to other accounts | 0 | 0 | 0
Deductions | (5,800,775) | (5,008,851) | (3,687,185)
Balance at end of period | 993,340 | 507,534 | 449,859
Valuation allowance for deferred tax assets: |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 15,632,235 | 388,500 | 185,497
Charged to costs and expenses | 1,749,817 | (665,039) | 203,003
Charged to other accounts | 0 | 15,908,774 | 0
Deductions | 0 | 0 | 0
Balance at end of period | $ 17,382,052 | $ 15,632,235 | $ 388,500

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- Definition Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Deferred Tax Asset, Income Tax Expense (Benefit) + References No definition available. + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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