Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash	$ 486,521	$ 1,164,057
Accounts receivable, net of allowance for doubtful accounts of $4,793 and $5,092, respectively	418,681	260,946
Inventories, net	213,056	136,449
Prepaid expenses and other current assets	77,593	44,474
Total current assets	1,195,851	1,605,926
Property and equipment, net	55,088	60,333
Intangible assets, net	262,819	284,408
Other assets, net	5,250	5,250
Total assets	1,519,008	1,955,917
Current liabilities:
Trade accounts payable and other current liabilities	380,685	367,326
Accrued Series C Preferred Stock Dividends	19,168	55,697
Total current liabilities	399,853	423,023
Long-term debt	1,551,284	1,189,964
Total liabilities	1,951,137	1,612,987
Series B Redeemable Convertible Preferred Stock, $.01 par value; authorized: 1,000 shares; issued and outstanding: 0 shares
Commitments and contingencies:
Shareholders' (deficit) equity:
Preferred stock, $.01 par value; authorized: 2,497,500 shares; none issued and outstanding
Common stock, $.01 par value; authorized: 200,000,000 shares; 68,104,957 and 64,914,935 issued and outstanding, respectively	681,050	649,149
Additional paid-in capital	78,069,200	77,931,051
Accumulated deficit	(79,191,451)	(78,246,343)
Total shareholders' (deficit) equity	(432,129)	342,930
Total liabilities and shareholders' (deficit) equity	1,519,008	1,955,917
Series C Convertible Preferred Stock [Member]
Shareholders' (deficit) equity:
Preferred stock, $.01 par value; authorized: 2,497,500 shares; none issued and outstanding		1
Total shareholders' (deficit) equity		1
Series D Convertible Preferred Stock [Member]
Shareholders' (deficit) equity:
Preferred stock, $.01 par value; authorized: 2,497,500 shares; none issued and outstanding	9,072	9,072
Total shareholders' (deficit) equity	$ 9,072	$ 9,072