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Note K - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Compensation $ 193,823 $ 224,135
Compensated absences 155,962 154,169
Accrued legal and accounting fees 105,933 77,133
Sales tax payable 17,248 9,436
Factoring fees 31,458 19,000
Other 182,461 64,359
Total $ 686,885 $ 548,232