5. Accrued Other Expenses

3 Months Ended

Mar. 31, 2021

Accrued Liabilities and Other Liabilities [Abstract]

Accrued Other Expenses

Accrued other expenses consisted of the following:

	March 31, 2021		December 31, 2020
Inventory	$	272,401	$	1,458,850
Payroll & related compensation		479,054		853,402
Professional fees		721,725		618,308
Royalty costs		1,587,500		1,906,439
Sales allowances		1,270,754		1,559,847
Sales and use tax		148,454		183,264
Other		467,369		884,953
Total accrued other expenses	$	4,947,257	$	7,465,063