RESTATEMENT OF PREVIOUSLY ISSUED CONSOLIDATED FINANCIAL STATEMENTS, Consolidated Balance Sheets (Details) - USD ($)	Jun. 30, 2019	Mar. 31, 2019	[1]	Dec. 31, 2018		Jun. 30, 2018	[1]	Mar. 31, 2018	[1]	Dec. 31, 2017	[1]
CURRENT ASSETS [Abstract]
Cash	$ 11,273,943			$ 24,070,351	[1]
Accounts receivable-trade, net of allowance for doubtful accounts of $15,703	428,733			408,170	[1]
Inventory	26,189,055			33,302,549	[1]
Prepaid income taxes	1,963,446			419,908	[1]
Prepaid expenses	1,188,274			1,283,795	[1]
Other current assets	162,563			331,805	[1]
Total current assets	50,255,524			59,816,578	[1]
Property and equipment, at cost	27,531,023			28,140,345	[1]
Less accumulated depreciation	(14,032,058)			(13,625,261)	[1]
Property and equipment, net	13,498,965			14,515,084	[1]
Deferred income taxes	467,848			1,092,293	[1]
Goodwill	958,817			954,765	[1]
Other intangibles, net of accumulated amortization of $690,869	15,167			16,500	[1]
Other assets	374,902			386,107	[1]
TOTAL ASSETS	81,229,082			76,781,327	[1]
CURRENT LIABILITIES [Abstract]
Accounts payable-trade	1,544,580			2,154,394	[1]
Accrued expenses and other liabilities	2,890,612			5,401,508	[1]
Current maturities of long-term debt	0			519,516	[1]
Total current liabilities	8,428,544			8,075,418	[1]
Uncertain tax positions	1,415,715			1,415,715	[1]
Deferred income taxes				0
Other non-current liabilities	556,260			555,296	[1]
Long-term debt, net of current maturities	0			8,448,502	[1]
COMMITMENTS AND CONTINGENCIES (Note 10)					[1]
STOCKHOLDERS' EQUITY [Abstract]
Preferred stock, $0.10 par value; 20,000,000 shares authorized; none issued or outstanding; attributes to be determined on issuance	0			0	[1]
Common stock, $0.0024 par value; 25,000,000 shares authorized; 10,353,155 shares issued	24,851			24,848	[1]
Paid-in capital	4,644,896			4,267,138	[1]
Retained earnings	64,758,706			64,476,378	[1]
Treasury stock at cost (1,292,594 shares)	(9,761,890)			(9,037,783)	[1]
Accumulated other comprehensive loss (net of tax of $480,112)	(1,042,359)			(1,444,185)	[1]
Total stockholders' equity	58,624,204	$ 59,230,092		58,286,396	[1]	$ 57,283,675		$ 56,841,233		$ 55,895,540
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 81,229,082			76,781,327	[1]
As Reported [Member]
CURRENT ASSETS [Abstract]
Cash				24,070,351
Accounts receivable-trade, net of allowance for doubtful accounts of $15,703				408,170
Inventory				33,867,276
Prepaid income taxes				383,478
Prepaid expenses				1,244,754
Other current assets				161,208
Total current assets				60,135,237
Property and equipment, at cost				28,005,563
Less accumulated depreciation				(13,606,266)
Property and equipment, net				14,399,297
Deferred income taxes				248,228
Goodwill				954,765
Other intangibles, net of accumulated amortization of $690,869				16,500
Other assets				386,107
TOTAL ASSETS				76,140,134
CURRENT LIABILITIES [Abstract]
Accounts payable-trade				1,978,840
Accrued expenses and other liabilities				4,176,479
Current maturities of long-term debt				747,335
Total current liabilities				6,902,654
Uncertain tax positions				0
Deferred income taxes				1,556,493
Other non-current liabilities				0
Long-term debt, net of current maturities				8,220,683
COMMITMENTS AND CONTINGENCIES (Note 10)
STOCKHOLDERS' EQUITY [Abstract]
Preferred stock, $0.10 par value; 20,000,000 shares authorized; none issued or outstanding; attributes to be determined on issuance				0
Common stock, $0.0024 par value; 25,000,000 shares authorized; 10,353,155 shares issued				27,232
Paid-in capital				7,158,821
Retained earnings				65,716,761
Treasury stock at cost (1,292,594 shares)				(11,931,850)
Accumulated other comprehensive loss (net of tax of $480,112)				(1,510,660)
Total stockholders' equity				59,460,304
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY				76,140,134
Adjustments [Member]
CURRENT ASSETS [Abstract]
Cash				0
Accounts receivable-trade, net of allowance for doubtful accounts of $15,703				0
Inventory				(564,727)
Prepaid income taxes				36,430
Prepaid expenses				39,041
Other current assets				170,597
Total current assets				(318,659)
Property and equipment, at cost				134,782
Less accumulated depreciation				(18,995)
Property and equipment, net				115,787
Deferred income taxes				844,065
Goodwill				0
Other intangibles, net of accumulated amortization of $690,869				0
Other assets				0
TOTAL ASSETS				641,193
CURRENT LIABILITIES [Abstract]
Accounts payable-trade				175,554
Accrued expenses and other liabilities				1,225,029
Current maturities of long-term debt				(227,819)
Total current liabilities				1,172,764
Uncertain tax positions				1,415,715
Deferred income taxes				(1,556,493)
Other non-current liabilities				555,296
Long-term debt, net of current maturities				227,819
COMMITMENTS AND CONTINGENCIES (Note 10)
STOCKHOLDERS' EQUITY [Abstract]
Preferred stock, $0.10 par value; 20,000,000 shares authorized; none issued or outstanding; attributes to be determined on issuance				0
Common stock, $0.0024 par value; 25,000,000 shares authorized; 10,353,155 shares issued				(2,384)
Paid-in capital				(2,891,683)
Retained earnings				(1,240,383)
Treasury stock at cost (1,292,594 shares)				2,894,067
Accumulated other comprehensive loss (net of tax of $480,112)				66,475
Total stockholders' equity				(1,173,908)
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY				$ 641,193

[1] As described in Note 2 to these Consolidated Financial Statements, we have restated the Consolidated Financial Statements.