CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Statutory Reserve [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Noncontrolling Interest [Member]
Balance at Mar. 31, 2017	$ 22,017,790	$ 0	$ 8,788	$ 1,091,212	$ 71,699	$ 20,537,889	$ (8,395)	$ 316,597
Balance (in shares) at Mar. 31, 2017		0	8,787,500
Reverse recapitalization	1,000	$ 0	$ 712	288	0	0	0	0
Reverse recapitalization (in shares)		0	712,500
Private placement – common stock and warrants issued, net of stock issuance costs of $444,475	1,534,475	$ 0	$ 395	1,534,080	0	0	0	0
Private placement – common stock and warrants issued, net of stock issuance costs of $444,475 (in shares)		0	395,000
Stock-based compensation expense for the warrants issued under stock incentive plan	116,578	$ 0	$ 0	116,578	0	0	0	0
Net income (loss)	9,180,803	0	0	0	0	9,183,622	0	(2,819)
Foreign currency translation loss	23,544	0	0	0	0	0	23,345	199
Balance at Sep. 30, 2017	32,874,190	$ 0	$ 9,895	2,742,158	71,699	29,721,511	14,950	313,977
Balance (in shares) at Sep. 30, 2017		0	9,895,000
Balance at Mar. 31, 2018	34,056,860	$ 0	$ 9,895	2,742,158	71,699	30,948,006	(24,502)	309,604
Balance (in shares) at Mar. 31, 2018		0	9,895,000
Common stock issued net of stock issuance costs of $1,387,879	8,622,121	$ 0	$ 1,430	8,620,691	0	0	0	0
Common stock issued net of stock issuance costs of $1,387,879 (in shares)		0	1,430,000
Warrants issued to the underwriter	30	$ 0	$ 0	30	0	0	0	0
Stock-based compensation expense for the warrants issued under stock incentive plan	3,399,934	0	0	3,399,934	0	0	0	0
Net income (loss)	3,701,504	0	0	0	0	3,701,529	0	(25)
Foreign currency translation loss	9,780	0	0	0	0	0	9,627	153
Balance at Sep. 30, 2018	$ 49,790,229	$ 0	$ 11,325	$ 14,762,813	$ 71,699	$ 34,649,535	$ (14,875)	$ 309,732
Balance (in shares) at Sep. 30, 2018		0	11,325,000