CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) [Abstract]
Net sales	$ 7,902,242	$ 6,762,750	$ 24,636,409	$ 21,508,540
Costs and expenses:
Cost of goods sold	4,150,229	4,115,548	13,110,185	12,525,465
Sales and marketing	1,912,484	1,865,940	5,900,501	5,651,106
General and administrative	1,042,048	1,354,410	3,517,004	3,569,351
Research and development	0	0	1,422	570
Total costs and expenses	7,104,761	7,335,898	22,529,112	21,746,492
Income (Loss) from operations	797,481	(573,148)	2,107,297	(237,952)
Other (expense) income:
Interest expense	(287)	(139)	(985)	(588)
Loss on foreign currency exchange	(209)	0	(311)	0
Gain on insurance claim settlement	0	0	0	183,217
Other expense	0	0	(13)	0
Total other (expense) income	(496)	(139)	(1,309)	182,629
Income (Loss) before income taxes	796,985	(573,287)	2,105,988	(55,323)
Income tax benefit (expense)	17,099	(4,767)	7,565	(13,781)
Net income (loss)	$ 814,084	$ (578,054)	$ 2,113,553	$ (69,104)
Net income (loss) per common share:
Basic (in dollars per share)	$ 0.04	$ (0.03)	$ 0.10	$ 0
Diluted (in dollars per share)	$ 0.04	$ (0.03)	$ 0.10	$ 0
Weighted average number of shares used in computing net income (loss) per common share:
Basic (in shares)	21,537,636	21,371,416	21,486,692	21,269,969
Diluted (in shares)	21,752,043	21,371,416	21,733,616	21,269,969