CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 24,399,388	$ 28,772,892
Accounts receivable, net of allowance for doubtful accounts of $242,981 and $243,042 at March 31, 2022 and December 31, 2021, respectively	9,879,954	11,441,107
Inventories, net	11,844,121	12,920,451
Prepaid expenses and other current assets	2,097,491	2,096,399
TOTAL CURRENT ASSETS	48,220,954	55,230,849
FIXED ASSETS:
Property, plant and equipment, net	8,414,313	8,556,773
Finance lease right-of-use assets, net	190,526	191,870
OTHER ASSETS:
Operating lease right-of-use assets, net	5,693,482	5,891,906
Goodwill	0	3,022,787
Deposits and other assets	370,940	358,010
TOTAL ASSETS	62,890,215	73,252,195
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	10,542,851	13,127,993
Current portion of long-term debt	2,100,000	1,200,000
Operating lease liabilities	916,524	886,294
Finance lease liabilities	72,203	68,176
TOTAL CURRENT LIABILITIES	13,631,578	15,282,463
OTHER LIABILITIES:
Long-term operating lease liabilities	5,733,214	5,976,151
Long-term finance lease liabilities	134,955	139,678
Long-term debt, net	16,855,322	17,589,003
TOTAL LIABILITIES	36,355,069	38,987,295
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Preferred stock - 10,000,000 shares authorized, none outstanding	0	0
Common stock - $0.01 par value; 100,000,000 shares authorized; 30,269,916 shares and 30,104,986 shares issued at March 31, 2022 and December 31, 2021, respectively	302,699	301,050
Additional paid-in capital	166,483,376	165,772,636
Accumulated deficit	(139,800,154)	(131,009,860)
Treasury Stock, 48,057 shares at cost, at March 31, 2022 and December 31, 2021	(206,554)	(206,554)
Accumulated other comprehensive (loss)	(244,221)	(592,372)
TOTAL STOCKHOLDERS' EQUITY	26,535,146	34,264,900
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 62,890,215	$ 73,252,195