RESTATEMENT OF PREVIOUSLY ISSUED CONSOLIDATED FINANCIAL STATEMENTS, Consolidated Statements of Cash Flows (Details) - USD ($)	3 Months Ended							6 Months Ended
	Jun. 30, 2019		Mar. 31, 2019	Jun. 30, 2018		Mar. 31, 2018		Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities [Abstract]
Net income (loss)	$ (875,667)	[1]	$ 1,519,811	$ 1,157,743	[2]	$ 1,516,656		$ 644,144	$ 2,674,399	[2]
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization								1,035,003	880,094	[2]
(Gain) loss on disposal of assets								(34,737)	4,556	[2]
Stock-based compensation								377,761	52,688	[2]
Deferred income taxes								624,445	(154,643)	[2]
Exchange (gain) loss								133,525	(215,866)	[2]
Changes in operating assets and liabilities [Abstract]
Accounts receivable-trade								(44,689)	(22,534)	[2]
Inventory								7,182,787	(688,434)	[2]
Prepaid expenses								469,347	165,857	[2]
Other current assets								26,063	0	[2]
Accounts payable-trade								(675,164)	721,717	[2]
Accrued expenses and other liabilities								(2,339,493)	(1,920,897)	[2]
Income taxes								(1,541,142)	(202,651)	[2]
Other assets								(216,874)	422,302	[2]
Total adjustments								5,053,530	(957,811)	[2]
Net cash provided by operating activities								5,697,674	1,716,588	[2]
Cash flows from investing activities [Abstract]
Purchase of property and equipment								(136,424)	(421,861)	[2]
Proceeds from sales of assets								85,314	7,028	[2]
Net cash used in investing activities								(9,049,970)	(414,833)	[2]
Cash flows from financing activities [Abstract]
Proceeds from long-term debt								0	982,938	[2]
Repurchase of treasury stock								(724,107)	(995,186)	[2]
Net cash used in financing activities								(9,692,125)	(12,248)	[2]
Effect of exchange rate changes on cash and cash equivalents								248,013	(417,036)	[2]
Net (decrease) increase in cash and cash equivalents								(12,796,408)	872,471	[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	$ 11,273,943			18,955,328	[2]			$ 11,273,943	18,955,328	[2]
As Reported [Member]
Cash flows from operating activities [Abstract]
Net income (loss)				1,440,092					2,713,711
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization									878,955
(Gain) loss on disposal of assets									4,556
Stock-based compensation									52,688
Deferred income taxes									(96,057)
Exchange (gain) loss									(268,321)
Changes in operating assets and liabilities [Abstract]
Accounts receivable-trade									(35,043)
Inventory									(709,072)
Prepaid expenses									98,203
Other current assets									113,570
Accounts payable-trade									(189,928)
Accrued expenses and other liabilities									(1,258,506)
Income taxes									(255,695)
Other assets									(3,910)
Total adjustments									(1,668,560)
Net cash provided by operating activities									1,045,151
Cash flows from investing activities [Abstract]
Purchase of property and equipment									(421,861)
Proceeds from sales of assets									7,028
Net cash used in investing activities									(414,833)
Cash flows from financing activities [Abstract]
Proceeds from long-term debt									982,938
Repurchase of treasury stock									(995,186)
Net cash used in financing activities									(12,248)
Effect of exchange rate changes on cash and cash equivalents									0
Net (decrease) increase in cash and cash equivalents									618,070
Cash and cash equivalents, beginning of period						18,337,258			18,337,258
Cash and cash equivalents, end of period				18,955,328					18,955,328
Adjustments [Member]
Cash flows from operating activities [Abstract]
Net income (loss)				(282,349)					(39,312)
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Depreciation and amortization									1,139
(Gain) loss on disposal of assets									0
Stock-based compensation									0
Deferred income taxes									(58,586)
Exchange (gain) loss									52,455
Changes in operating assets and liabilities [Abstract]
Accounts receivable-trade									12,509
Inventory									20,638
Prepaid expenses									67,654
Other current assets									(113,570)
Accounts payable-trade									911,645
Accrued expenses and other liabilities									(662,391)
Income taxes									53,044
Other assets									426,212
Total adjustments									710,749
Net cash provided by operating activities									671,437
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									(417,036)
Net (decrease) increase 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 months ended June 30, 2019, there were 2,290 shares 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.