XML 36 R16.htm IDEA: XBRL DOCUMENT v3.19.1
Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2019
Accounting Policies [Abstract]  
Schedule of antidilutive securities excluded from computation of earnings per share

For the Three Months Ended
March 31, 2019 March 31, 2018
Total potentially dilutive common shares as of:            
Stock options to purchase common stock (Note 7) 10,008,001 15,163,001
Series C Convertible Preferred Stock and related accrued dividends (Note 4) 524,736 1,524,758
Series D Convertible Preferred Stock (Note 5) 3,628,576 3,628,576
Total potentially dilutive common shares 14,161,313 20,316,335

Schedule of concentration of credit risk, customer as a percentage of total revenues

For the Three Months Ended
      March 31, 2019       March 31, 2018
Customer A 12% 11%
Customer B 55% 61%
Customer C 16% *
____________________

* Amounts are less than 10%
Schedule of Inventories
      March 31,
2019
      December 31,
2018
Raw materials $      51,510 $          12,855
Finished goods 116,378 200,201
$ 167,888 $ 213,056
Schedule of trade accounts payable and other current liabilities
      March 31,
2019
      December 31,
2018
Trade accounts payable $      18,814 $          86,706
Payroll and related expenses 32,004 49,937
Operating lease liabilities 44,356 -
Patent monetization expenses 123,626 124,422
Deferred revenue 31,101 25,341
Professional and other service fees 149,166 94,279
Total trade accounts payable and other current liabilities $ 399,067 $ 380,685