Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 12,570,445	$ 771,757
Restricted cash	500,000	800,000
Accounts receivable, net of allowance for doubtful accounts of $236,819 and $173,603 as of December 31, 2021 and 2020, respectively	4,880,663	9,203,334
Inventories, net	33,891,287	16,504,840
Prepaid expenses and other current assets	587,885	399,119
Total current assets	52,430,280	27,679,050
Equipment, net	762,818	455,066
Operating lease right-of-use assets	241,626	86,948
Goodwill	58,872	58,872
Intangible assets, net	262,698	388,629
Other assets	544,738	942,404
Total assets	54,301,032	29,610,969
Current liabilities
Bank credit line	5,065,074	2,442,246
Accounts payable	12,458,246	11,744,834
Current maturities of government loan	34,237	65,225
Current maturities of operating lease liabilities	143,486	65,651
Accrued expenses	5,279,917	7,465,063
Deferred revenue, current	291,296
Total current liabilities	23,272,256	21,783,019
Long term government loan, less current maturities		15,245
Operating lease liabilities, less current maturities	98,811	22,235
Deferred revenue, noncurrent	443,452
Total Liabilities	23,814,519	21,820,499
Commitments and Contingencies (Note 9)
Stockholders’ equity
Preferred Stock, Authorized: 2,000,000 shares at $0.01 par value; 0 shares issued and outstanding
Common Stock: Authorized: 60,000,000 shares and 40,000,000 shares at December 31, 2021 and 2020, respectively, at $0.01 par value; issued and outstanding: 45,885,043 shares and 35,074,922 shares at December 31, 2021 and 2020, respectively	458,850	350,749
Additional paid-in capital	89,313,273	64,526,664
Accumulated deficit	(59,285,610)	(57,086,943)
Total stockholders’ equity	30,486,513	7,790,470
Total liabilities and stockholders’ equity	$ 54,301,032	$ 29,610,969