RESTATEMENT OF PREVIOUSLY ISSUED CONSOLIDATED FINANCIAL STATEMENTS, Consolidated Balance Sheets (Details) - USD ($)	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	[1]	Dec. 31, 2018		Sep. 30, 2018	[1]	Jun. 30, 2018	[1]	Mar. 31, 2018	[1]	Dec. 31, 2017	[1]
CURRENT ASSETS [Abstract]
Cash	$ 13,345,643				$ 24,070,351	[1]
Accounts receivable-trade, net of allowance for doubtful accounts of $15,703	497,729				408,170	[1]
Inventory	23,761,063				33,302,549	[1]
Prepaid income taxes	1,414,869				419,908	[1]
Prepaid expenses	1,207,653				1,283,795	[1]
Other current assets	144,118				331,805	[1]
Total current assets	49,474,266				59,816,578	[1]
Property and equipment, at cost	27,527,204				28,140,345	[1]
Less accumulated depreciation	(14,362,455)				(13,625,261)	[1]
Property and equipment, net	13,164,749				14,515,084	[1]
Deferred income taxes	1,599,211				1,092,293	[1]
Goodwill	957,686				954,765	[1]
Other intangibles, net of accumulated amortization of $690,869	14,500				16,500	[1]
Other assets	374,519				386,107	[1]
TOTAL ASSETS	80,354,743				76,781,327	[1]
CURRENT LIABILITIES [Abstract]
Accounts payable-trade	2,739,698				2,154,394	[1]
Accrued expenses and other liabilities	3,435,347				5,401,508	[1]
Current maturities of long-term debt	0				519,516	[1]
Total current liabilities	10,093,802				8,075,418	[1]
Uncertain tax positions	1,415,715				1,415,715	[1]
Deferred income taxes					0
Other non-current liabilities	556,741				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	4,836,834				4,267,138	[1]
Retained earnings	63,040,254				64,476,378	[1]
Treasury stock at cost (1,292,594 shares)	(9,772,982)				(9,037,783)	[1]
Accumulated other comprehensive loss (net of tax of $480,112)	(1,239,136)				(1,444,185)	[1]
Total stockholders' equity	56,889,821	$ 58,624,204	$ 59,230,092		58,286,396	[1]	$ 58,004,707		$ 57,283,675		$ 56,841,233		$ 55,895,540
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 80,354,743				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.