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TRADE ACCOUNTS PAYABLE AND OTHER CURRENT LIABILITIES
12 Months Ended
Dec. 31, 2019
Other Liabilities Disclosure [Abstract]  
TRADE ACCOUNTS PAYABLE AND OTHER CURRENT LIABILITIES

7. TRADE ACCOUNTS PAYABLE AND OTHER CURRENT LIABILITIES

Trade accounts payable and other current liabilities consisted of the following:

December 31,
       2019        2018
Trade accounts payable $ 87,524 $ 86,706
Payroll and related expenses 7,788 49,937
Patent monetization expenses 107,605 124,422
Current lease liabilities 47,364 -
Deferred revenue - 25,341
Professional and other service fees 140,277 94,279
Total trade accounts payable and other current liabilities $       390,558 $       380,685