RESTATEMENT OF PREVIOUSLY ISSUED CONSOLIDATED FINANCIAL STATEMENTS, Consolidated Statements of Cash Flows (Details) - USD ($)	3 Months Ended									9 Months Ended
	Sep. 30, 2019		Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018		Jun. 30, 2018	Mar. 31, 2018		Sep. 30, 2019		Sep. 30, 2018
Cash flows from operating activities [Abstract]
Net income	$ (1,718,452)	[1]	$ (875,667)	$ 1,519,811	$ 608,701	[2]	$ 1,157,743	$ 1,516,656		$ (1,074,308)	[1]	$ 3,283,100	[2]
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization										1,386,579		1,312,830	[2]
(Gain) loss on disposal of assets										(34,806)		4,556	[2]
Stock-based compensation										569,699		76,447	[2]
Deferred income taxes										(506,918)		(290,291)	[2]
Exchange (gain) loss										133,609		(136,898)	[2]
Changes in operating assets and liabilities [Abstract]
Accounts receivable-trade										(122,561)		(10,900)	[2]
Inventory										9,573,489		(3,961,731)	[2]
Prepaid expenses										452,567		34,501	[2]
Other current assets										(105,485)		0	[2]
Accounts payable-trade										487,782		1,403,219	[2]
Accrued expenses and other liabilities										(1,758,537)		(1,652,826)	[2]
Income taxes										(997,654)		(418,970)	[2]
Other assets										(149,151)		352,313	[2]
Total adjustments										8,994,041		(3,287,750)	[2]
Net cash provided by (used in) operating activities										7,919,733		(4,650)	[2]
Cash flows from investing activities [Abstract]
Purchase of property and equipment										(163,096)		(887,679)	[2]
Proceeds from sales of assets										84,475		17,718	[2]
Net cash used in investing activities										(9,076,327)		(869,961)	[2]
Cash flows from financing activities [Abstract]
Proceeds from long-term debt										0		982,939	[2]
Repurchase of treasury stock										(735,199)		(995,238)	[2]
Net cash used in financing activities										(9,703,217)		(12,299)	[2]
Effect of exchange rate changes on cash and cash equivalents										135,103		(380,975)	[2]
Net decrease in cash and cash equivalents										(10,724,708)		(1,267,885)	[2]
Cash and cash equivalents, beginning of period				$ 24,070,351				18,082,857	[2]	24,070,351		18,082,857	[2]
Cash and cash equivalents, end of period	$ 13,345,643				16,814,972	[2]				$ 13,345,643		16,814,972	[2]
As Reported [Member]
Cash flows from operating activities [Abstract]
Net income					(121,534)							2,592,177
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization												1,310,774
(Gain) loss on disposal of assets												4,556
Stock-based compensation												76,447
Deferred income taxes												(115,460)
Exchange (gain) loss												(93,163)
Changes in operating assets and liabilities [Abstract]
Accounts receivable-trade												42,600
Inventory												(3,409,433)
Prepaid expenses												125,034
Other current assets												(111,688)
Accounts payable-trade												28,525
Accrued expenses and other liabilities												(609,577)
Income taxes												(475,082)
Other assets												(5,736)
Total adjustments												(3,232,203)
Net cash provided by (used in) operating activities												(640,026)
Cash flows from investing activities [Abstract]
Purchase of property and equipment												(887,679)
Proceeds from sales of assets												17,718
Net cash used in investing activities												(869,961)
Cash flows from financing activities [Abstract]
Proceeds from long-term debt												982,939
Repurchase of treasury stock												(995,238)
Net cash used in financing activities												(12,299)
Effect of exchange rate changes on cash and cash equivalents												0
Net decrease in cash and cash equivalents												(1,522,286)
Cash and cash equivalents, beginning of period								18,337,258				18,337,258
Cash and cash equivalents, end of period					16,814,972							16,814,972
Adjustments [Member]
Cash flows from operating activities [Abstract]
Net income					730,235							690,923
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization												2,056
(Gain) loss on disposal of assets												0
Stock-based compensation												0
Deferred income taxes												(174,831)
Exchange (gain) loss												(43,735)
Changes in operating assets and liabilities [Abstract]
Accounts receivable-trade												(53,500)
Inventory												(552,298)
Prepaid expenses												(90,533)
Other current assets												111,688
Accounts payable-trade												1,374,694
Accrued expenses and other liabilities												(1,043,249)
Income taxes												56,112
Other assets												358,049
Total adjustments												(55,547)
Net cash provided by (used in) operating activities												635,376
Cash flows from investing activities [Abstract]
Purchase of property and equipment												0
Proceeds from sales of assets												0
Net cash used in investing activities												0
Cash flows from financing activities [Abstract]
Proceeds from long-term debt												0
Repurchase of treasury stock												0
Net cash used in financing activities												0
Effect of exchange rate changes on cash and cash equivalents												(380,975)
Net decrease in cash and cash equivalents												254,401
Cash and cash equivalents, beginning of period								$ (254,401)				(254,401)
Cash and cash equivalents, end of period					$ 0							$ 0

[1] For the three and nine-months ended September 30, 2019, there were 2,704 and 5,200 shares, respectively, excluded from the diluted EPS calculation because the impact of their assumed vesting would be anti-dilutive due to a net loss in those periods.

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