Note 11 - Other Information (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		June 30,		December 31,
		2022		2021
Accrued Expenses		(unaudited)		(audited)
Bonuses	$	196,500	$	348,000
Distribution fees		379,719		359,550
Payroll and related expenses		296,688		292,560
Reserve for outdated material		331,943		313,904
Company 401(k) contribution		54,500		109,000
Audit fee		38,000		61,500
Annual report expenses		50,373		64,038
Sales rebates		169,203		56,857
Other		28,932		21,981
Total accrued expenses	$	1,545,858	$	1,627,390