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Condensed Consolidated Statements of Operations (Unaudited) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Income Statement [Abstract] |  |  |  |
Net sales | $ 71,893,763 | $ 51,511,045 | $ 130,374,365 | $ 93,714,624
Cost of sales | 56,177,441 | 43,333,118 | 103,424,624 | 78,133,119
Gross profit | 15,716,322 | 8,177,927 | 26,949,741 | 15,581,505
Selling, general and administrative expense | 7,738,752 | 6,281,988 | 13,594,872 | 12,170,664
Acquisition related costs | 690,217 | 386,519 | 690,217 | 744,996
Operating income | 7,287,353 | 1,509,420 | 12,664,652 | 2,665,845
Other expense (income) |  |  |  |
Interest expense | 403,852 | 341,005 | 717,835 | 521,320
Change in fair value of interest rate swaps | (19,255) | 16,927 | (92,458) | (24,503)
Earn-out adjustment | 2,307,598 | (3,391) | 2,461,658 | (3,391)
Other, net | (59,112) | 0 | 29,185 | 0
Income before income taxes | 4,654,270 | 1,154,879 | 9,548,432 | 2,172,419
Provision for income taxes | 976,998 | 325,000 | 2,035,998 | 641,000
Net income | $ 3,677,272 | $ 829,879 | $ 7,512,434 | $ 1,531,419
Net income per common share: |  |  |  |
Basic (in dollars shares) | $ 0.42 | $ 0.10 | $ 0.86 | $ 0.18
Diluted (in dollars shares) | $ 0.41 | $ 0.10 | $ 0.85 | $ 0.18
Weighted average shares outstanding: |  |  |  |
Basic (in shares) | 8,776,239 | 8,699,488 | 8,761,182 | 8,686,714
Dilutive effect from stock options and grants (in shares) | 87,537 | 23,650 | 72,804 | 17,616
Diluted (in shares) | 8,863,776 | 8,723,138 | 8,833,986 | 8,704,330

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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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