Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2019		Sep. 30, 2018	[2]
Cash flows from operating activities:
Net income (loss)	$ (1,074,308)	[1]	$ 3,283,100
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,386,579		1,312,830
Operating lease asset amortization	2,603,822		0
(Gain) loss on disposal of assets	(34,806)		4,556
Stock-based compensation	569,699		76,447
Deferred income taxes	(506,918)		(290,291)
Exchange (gain) loss	133,609		(136,898)
Changes in operating assets and liabilities:
Accounts receivable-trade	(122,561)		(10,900)
Inventory	9,573,489		(3,961,731)
Prepaid expenses	452,567		34,501
Other current assets	(105,485)		0
Accounts payable-trade	487,782		1,403,219
Accrued expenses and other liabilities	(1,758,537)		(1,652,826)
Income taxes, net	(997,654)		(418,970)
Other assets	(149,151)		352,313
Operating lease liability	(2,538,394)		0
Total adjustments	8,994,041		(3,287,750)
Net cash provided by (used in) operating activities	7,919,733		(4,650)
Cash flows from investing activities:
Purchase of property and equipment	(163,096)		(887,679)
Purchase of short-term investments	(16,392,706)		0
Proceeds from sales of short-term investments	7,395,000		0
Proceeds from sales of assets	84,475		17,718
Net cash used in investing activities	(9,076,327)		(869,961)
Cash flows from financing activities:
Proceeds from long-term debt	0		982,939
Payments on long-term debt	(8,968,018)		0
Repurchase of treasury stock	(735,199)		(995,238)
Net cash used in financing activities	(9,703,217)		(12,299)
Effect of exchange rate changes on cash and cash equivalents	135,103		(380,975)
Net decrease in cash and cash equivalents	(10,724,708)		(1,267,885)
Cash and cash equivalents, beginning of period	24,070,351		18,082,857
Cash and cash equivalents, end of period	$ 13,345,643		$ 16,814,972

[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.