Accrued expenses consisted of the following:
December 31,
2019
2018
Accrued professional fees
$
44,500
47,000
Accrued compensation
42,659
43,822
Accrued licensing fees
60,000
40,000
Accrued board of director fees
30,000
Accrued taxes
54,160
4,987
Accrued semiconductor fabrication costs
55,000
—
Accrued certification costs
30,978
Other
1,838
1,946
319,135
167,755
No definition available.
Tabular disclosure of the components of accrued liabilities.