Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 9,185,756	$ 8,351,683	$ 22,514,692	$ 15,996,612
Cost of goods sold	7,904,692	6,963,097	19,060,409	13,157,547
Gross profit	1,281,064	1,388,586	3,454,283	2,839,065
Operating expenses:
Selling, general, and administrative	1,276,603	951,705	2,580,622	2,078,342
Research and development	715,447	949,752	1,472,663	1,896,732
Total operating expenses	1,992,050	1,901,457	4,053,285	3,975,074
Loss from operations	(710,986)	(512,871)	(599,002)	(1,136,009)
Other income (loss), net:
Interest income	30,700	2,517	33,752	5,034
Income from governmental subsidy	636	26,277	64,824	95,224
Other income (loss), net	7,778	(43,296)	(6,306)	(55,882)
Total other income (loss), net	39,114	(14,502)	92,270	44,376
Loss before provision for income taxes	(671,872)	(527,373)	(506,732)	(1,091,633)
Income tax provision (benefit)	(119,010)	235,121	(77,040)	99,120
Net loss	(552,862)	(762,494)	(429,692)	(1,190,753)
Non-controlling interests in net loss of subsidiary at 48.2%	0	31,484	55,564	22,451
Non-controlling interests in net loss of subsidiary at 35.8%	37,483	0	37,483	0
Net loss attributable to Parent Company	$ (515,379)	$ (731,010)	$ (336,645)	$ (1,168,302)
Basic loss per share attributable to Parent Company stockholders	$ (0.05)	$ (0.07)	$ (0.03)	$ (0.11)
Diluted loss per share attributable to Parent Company stockholders	$ (0.05)	$ (0.07)	$ (0.03)	$ (0.11)
Weighted average common shares outstanding - basic	10,570,203	10,570,203	10,570,203	10,520,203
Weighted average common shares outstanding - diluted	10,570,203	10,570,203	10,570,203	10,520,203
Comprehensive income
Net loss	$ (552,862)	$ (762,494)	$ (429,692)	$ (1,190,753)
Translation adjustments	10,544	68,599	(3,299)	78,183
Comprehensive loss	(542,318)	(693,895)	(432,991)	(1,112,570)
Comprehensive loss attributable to non-controlling interest	37,843	31,484	93,047	22,451
Comprehensive loss attributable to controlling interest	$ (504,835)	$ (662,411)	$ (339,944)	$ (1,090,119)