Note 5 - Revenue Recognition - Disaggregated Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Gross Sales	$ 3,279,399	$ 3,885,887	$ 6,459,716	$ 7,322,151
Personal Care [Member]
Gross Sales	1,435,951	2,326,733	3,087,673	4,449,845
Pharmaceuticals [Member]
Gross Sales	994,731	891,064	1,882,333	1,635,873
Medical Product [Member]
Gross Sales	807,694	624,732	1,418,201	1,163,829
Industrial And Other [Member]
Gross Sales	$ 41,023	$ 43,358	$ 71,509	$ 72,604