Consolidated Statement of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (Loss)	$ 10,945,272	$ 5,189,886
Adjustments to reconcile net income (Loss) to net cash provided by operating activities:
Depreciation and amortization	4,073,636	5,024,500
Loss on disposal of fixed assets	(8,071)	32,975
Stock compensation expense	491,444	245,083
Change in assets and liabilities:
Receivables	(3,290,325)	(4,373,693)
Inventories	(12,786,048)	(7,716,711)
Other current assets	77,740	264,424
Other assets	34,156	7,199
Accounts payable	7,702,442	5,204,387
Accrued and other liabilities	1,711,828	1,275,893
Income taxes payable	1,888,060	1,695,938
Long-term taxes payable	(2,117,146)
Net cash provided by operating activities	8,722,988	6,849,881
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of fixed assets	(3,541,733)	(3,453,886)
Proceeds from sales of fixed assets	17,231	329,278
Net cash used in investing activities	(3,524,502)	(3,124,608)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	4,247,897	49,996,460
Repayments on revolving credit facility	(6,447,320)	(52,950,468)
Proceeds from stock options	123,678	14,236
Repurchase of common stock		(571,580)
Dividends paid on common stock	(2,593,126)	(2,455,564)
Net cash used in financing activities	(4,668,871)	(5,966,916)
(DECREASE) INCREASE IN CASH AND CASH	529,615	(2,241,643)
CASH AND CASH EQUIVALENTS:
BEGINNING OF PERIOD	3,680,776	4,480,505
END OF PERIOD	$ 4,210,391	$ 2,238,862