Segment Information - Information on Segments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Net sales	$ 9,873,800	$ 6,482,000	$ 20,316,400	$ 14,337,900
Operating costs and expenses:
Cost of sales	5,606,800	3,766,900	11,229,000	7,624,000
Advertising expenses	138,700	848,800	421,300	1,334,900
Selling expenses	1,679,300	1,217,200	3,295,200	2,467,000
General and administrative expenses	1,023,300	1,261,100	2,103,600	2,214,200
Total operating costs and expenses	8,448,100	7,094,000	17,049,100	13,640,100
Income (loss) from operations	1,425,700	(612,000)	3,267,300	697,800
Other income		5,400		11,600
Interest expense	(33,200)	(9,700)	(75,100)	(17,100)
Income (loss) before income taxes	1,392,500	(616,300)	3,192,200	692,300
Household Products
Segment Reporting Information [Line Items]
Net sales	1,330,700	1,444,200	2,780,300	3,036,900
Operating costs and expenses:
Cost of sales	691,600	783,800	1,349,100	1,458,500
Advertising expenses	102,200	589,500	316,300	878,800
Selling expenses	336,500	468,600	645,000	841,600
General and administrative expenses	330,700	385,500	679,100	808,000
Total operating costs and expenses	1,461,000	2,227,400	2,989,500	3,986,900
Income (loss) from operations	(130,300)	(783,200)	(209,200)	(950,000)
Other income		2,100		3,400
Interest expense		(3,400)		(5,000)
Income (loss) before income taxes	(130,300)	(784,500)	(209,200)	(951,600)
Skin And Hair Care Products
Segment Reporting Information [Line Items]
Net sales	8,543,100	5,037,800	17,536,100	11,301,000
Operating costs and expenses:
Cost of sales	4,915,200	2,983,100	9,879,900	6,165,500
Advertising expenses	36,500	259,300	105,000	456,100
Selling expenses	1,342,800	748,600	2,650,200	1,625,400
General and administrative expenses	692,600	875,600	1,424,500	1,406,200
Total operating costs and expenses	6,987,100	4,866,600	14,059,600	9,653,200
Income (loss) from operations	1,556,000	171,200	3,476,500	1,647,800
Other income		3,300		8,200
Interest expense	(33,200)	(6,300)	(75,100)	(12,100)
Income (loss) before income taxes	$ 1,522,800	$ 168,200	$ 3,401,400	$ 1,643,900