CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Common stock [Member] Series B Warrants [Member]	Common stock [Member]	Additional paid-in capital [Member] Series B Warrants [Member]	Additional paid-in capital [Member]	Accumulated deficit [Member] Series B Warrants [Member]	Accumulated deficit [Member]	Accumulated other comprehensive income (loss) [Member] Series B Warrants [Member]	Accumulated other comprehensive income (loss) [Member]	Non-controlling interest [Member] Series B Warrants [Member]	Non-controlling interest [Member]	Series B Warrants [Member]	Total
Beginning balance at Mar. 31, 2018		$ 2,588		$ 23,611,512		$ (10,481,669)		$ (253,761)		$ 0		$ 12,878,670
Beginning balance (in shares) at Mar. 31, 2018		25,879,400
Net income (loss)		$ 0		0		(930,364)		0		0		(930,364)
Foreign currency translation adjustment		0		0		0		(48,735)		0		(48,735)
Ending balance at Jun. 30, 2018		$ 2,588		23,611,512		(11,412,033)		(302,496)		0		11,899,571
Ending balance (in shares) at Jun. 30, 2018		25,879,400
Beginning balance at Mar. 31, 2018		$ 2,588		23,611,512		(10,481,669)		(253,761)		0		12,878,670
Beginning balance (in shares) at Mar. 31, 2018		25,879,400
Net income (loss)												(2,488,661)
Foreign currency translation adjustment												(132,763)
Ending balance at Dec. 31, 2018		$ 2,588		23,657,407		(12,973,371)		(386,524)		3,041		10,303,141
Ending balance (in shares) at Dec. 31, 2018		25,879,400
Beginning balance at Mar. 31, 2018		$ 2,588		23,611,512		(10,481,669)		(253,761)		0		12,878,670
Beginning balance (in shares) at Mar. 31, 2018		25,879,400
Ending balance at Mar. 31, 2019		$ 2,595		23,833,112		(15,031,538)		(428,771)		7,344		8,382,742
Ending balance (in shares) at Mar. 31, 2019		25,945,255
Beginning balance at Jun. 30, 2018		$ 2,588		23,611,512		(11,412,033)		(302,496)		0		11,899,571
Beginning balance (in shares) at Jun. 30, 2018		25,879,400
Net income (loss)		$ 0		0		(790,005)		0		0		(790,005)
Foreign currency translation adjustment		0		0		0		(57,965)		0		(57,965)
Ending balance at Sep. 30, 2018		$ 2,588		23,611,512		(12,202,038)		(360,461)		0		11,051,601
Ending balance (in shares) at Sep. 30, 2018		25,879,400
Gain from acquisition of variable interest entities		$ 0		45,895		0		0		0		45,895
Net income (loss)		0		0		(771,333)		0		3,041		(768,292)
Foreign currency translation adjustment		0		0		0		(26,063)		0		(26,063)
Ending balance at Dec. 31, 2018		$ 2,588		23,657,407		(12,973,371)		(386,524)		3,041		10,303,141
Ending balance (in shares) at Dec. 31, 2018		25,879,400
Beginning balance at Mar. 31, 2019		$ 2,595		23,833,112		(15,031,538)		(428,771)		7,344		8,382,742
Beginning balance (in shares) at Mar. 31, 2019		25,945,255
Issuance of common stock in registered direct offering net of issuance costs		$ 178		1,991,940		0		0		0		1,992,118
Issuance of common stock in registered direct offering net of issuance costs (in shares)		1,781,360
Net income (loss)		$ 0		0		(578,360)		0		72,928		(505,432)
Foreign currency translation adjustment		0		0		0		(57,947)		(28,276)		(86,223)
Ending balance at Jun. 30, 2019		$ 2,773		25,825,052		(15,609,898)		(486,718)		51,996		9,783,205
Ending balance (in shares) at Jun. 30, 2019		27,726,615
Beginning balance at Mar. 31, 2019		$ 2,595		23,833,112		(15,031,538)		(428,771)		7,344		8,382,742
Beginning balance (in shares) at Mar. 31, 2019		25,945,255
Net income (loss)												(4,726,010)
Foreign currency translation adjustment												(253,983)
Ending balance at Dec. 31, 2019		$ 2,884		26,835,804		(19,846,811)		(621,957)		35,811		6,405,731
Ending balance (in shares) at Dec. 31, 2019		28,839,803
Beginning balance at Jun. 30, 2019		$ 2,773		25,825,052		(15,609,898)		(486,718)		51,996		9,783,205
Beginning balance (in shares) at Jun. 30, 2019		27,726,615
Exercise of Series B warrants into common stock	$ 96		$ 961,631		$ 0		$ 0		$ 0		$ 961,727
Exercise of Series B warrants into common stock (in shares)	964,741
Net income (loss)		$ 0		0		1,090,254		0		51,105		1,141,359
Foreign currency translation adjustment		0		0		0		(276,887)		(97,305)		(374,192)
Ending balance at Sep. 30, 2019		$ 2,869		26,786,683		(14,519,644)		(763,605)		5,796		11,512,099
Ending balance (in shares) at Sep. 30, 2019		28,691,356
Exercise of Series B warrants into common stock		$ 15		49,121		0		0		0		49,136
Exercise of Series B warrants into common stock (in shares)		148,447
Net income (loss)		$ 0		0		(5,327,167)		0		(34,769)		(5,361,936)
Foreign currency translation adjustment		0		0		0		141,648		64,784		206,432
Ending balance at Dec. 31, 2019		$ 2,884		$ 26,835,804		$ (19,846,811)		$ (621,957)		$ 35,811		$ 6,405,731
Ending balance (in shares) at Dec. 31, 2019		28,839,803