4. ACCRUED EXPENSES

3 Months Ended

Mar. 31, 2021

Payables and Accruals [Abstract]

ACCRUED EXPENSES

4. ACCRUED EXPENSES

The major components of accrued expenses are summarized as follows:

	March 31,		December 31,
	2021		2020
Accrued salaries	$	285,131	$	178,449
Accrued vacation		227,926		205,809
Other accrued expense		18,240		7,309
Total accrued expenses	$	531,297	$	391,567