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Consolidated Statements of Operations and Comprehensive Income - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Statement [Abstract] |  |  |
Net sales | $ 280,841,419 | $ 201,147,682 | $ 138,565,782
Cost of sales | 229,604,080 | 173,066,732 | 121,661,303
Gross profit | 51,237,339 | 28,080,950 | 16,904,479
Selling, general and administrative expense | 27,691,874 | 24,874,589 | 22,672,872
Acquisition related costs | 1,211,797 | 794,983 | 106,227
Earn-out adjustments | 1,430,682 | 688,523 | 0
(Gain) loss on sale-leaseback | (334,273) | (334,273) | 2,371,778
Operating income (loss) | 21,237,259 | 2,057,128 | (8,246,398)
Other (income) and expense |  |  |
Interest expense | 2,210,506 | 985,366 | 932,572
Change in fair value of interest rate swap | (19,484) | (96,696) | 12,997
Other, net | 2,572,598 | (310,043) | 0
Income (loss) before income taxes | 16,473,639 | 1,478,501 | (9,191,967)
Provision for (benefit from) income taxes | 3,376,210 | 137,139 | (2,198,000)
Net income (loss) from continuing operations | 13,097,429 | 1,341,362 | (6,993,967)
Net loss from discontinued operations, net of tax | 0 | 0 | (99,334)
Net income (loss) | 13,097,429 | 1,341,362 | (7,093,301)
Other comprehensive loss, net of tax: |  |  |
Unrealized gains on available for sale securities, net of tax of $186,384 | 0 | 355,482 | 0
Reclassification adjustment for gains included in net | 0 | (366,346) | 0
Comprehensive income (loss) | $ 13,097,429 | $ 1,330,498 | $ (7,093,301)
Net income (loss) per common share from continuing operations: |  |  |
Basic (dollars per share) | $ 1.49 | $ 0.15 | $ (0.81)
Diluted (dollars per share) | 1.48 | 0.15 | (0.81)
Net loss per diluted common share from discontinued operations: |  |  |
Basic (dollars per share) | 0.00 | 0.00 | (0.01)
Diluted (dollars per share) | $ 0.00 | $ 0.00 | $ (0.01)

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- Definition Total costs related to goods produced and sold during the reporting period. Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs + References No definition available. + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, bad debt expense, environmental costs, etc. + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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