Condensed Consolidated Statements of Equity (Unaudited) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss)	Non-controlling Interests
Balance (in shares) at Mar. 31, 2018		2,043,607
Balance at Mar. 31, 2018	$ 24,243,084	$ 510,901	$ 4,171,869	$ 20,695,981	$ (260,900)	$ (874,767)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,782,435			2,828,694		(46,259)
Reclassification of unrealized loss on marketable securities, net of tax	0			(106,341)	106,341
Foreign currency translation gain	47,660				30,508	17,152
Issuance of Warrants	0
Unrealized loss on interest rate swaps, net of tax	0
Balance (in shares) at Jun. 30, 2018		2,043,607
Balance at Jun. 30, 2018	27,073,179	$ 510,901	4,171,869	23,418,334	(124,051)	(903,874)
Balance (in shares) at Mar. 31, 2019		2,022,637
Balance at Mar. 31, 2019	23,357,764	$ 505,657	2,866,695	21,191,126	(205,086)	(1,000,628)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,816,682			1,782,352		2,034,330
Foreign currency translation gain	(18,130)				(30,355)	12,225
Repurchase of Common Stock (in shares)		(17,424)
Repurchase of Common Stock	(126,317)	$ (4,356)		(121,961)
Stock Split (in shares)		1,009,874
Stock Split		$ 252,469	(252,469)
Issuance of Debt - Trust Preferred Securities	(4,000,000)			(4,000,000)
Issuance of Warrants	(840,000)			(840,000)
Unrealized loss on interest rate swaps, net of tax	(176,038)				(176,038)
Adjustment to fair value of redeemable non-controlling interest	(985,024)		(985,024)
Balance (in shares) at Jun. 30, 2019		3,015,087
Balance at Jun. 30, 2019	$ 20,987,807	$ 753,770	$ 1,629,202	$ 17,970,387	$ (411,479)	$ 1,045,927