CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 125,982	$ 229,218
Accounts receivable, net	2,760,606	2,229,512
Inventories	7,927,678	5,202,303
Prepaid expenses and other current assets	918,585	578,406
Total current assets	11,732,851	8,239,439
Equipment, net	261,476	161,574
Other assets	222,160	391,668
Total assets	12,216,487	8,792,681
Current liabilities
Bank credit line	1,741,272	90,260
Accounts payable	4,369,309	3,526,851
Accrued sales tax	219,286	831,000
Accrued other expenses	2,010,275	1,172,984
Total current liabilities	8,340,142	5,621,095
Commitments and contingencies (Note 6)
Stockholders' equity
Common stock: Authorized: 25,000,000 shares at $0.01 par value; Issued and outstanding: 16,124,681 shares and 15,286,540 shares at December 31, 2018 and 2017, respectively	161,247	152,865
Additional paid-in capital	41,035,936	40,265,282
Accumulated deficit	(37,320,838)	(37,246,561)
Total stockholders' equity	3,876,345	3,171,586
Total liabilities and stockholders' equity	$ 12,216,487	$ 8,792,681