Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Dec. 31, 2017		Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 993,906		$ (5,244,274)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Gain on sale of marketable securities	(72,145)		(582,910)
Gain on sale of property and equipment, net	16,648		13,909
Change in accounts receivable and inventory reserves	(71,953)		1,409,575
Depreciation, amortization and impairment	1,743,955		2,755,071
Change in cash surrender value of life insurance	(118,254)		(164,632)
Gain on asset retirement obligation	(562,500)
Gain on bargain purchase, net of tax	(501,880)
Deferred income taxes	(102,566)
Warranty reserve	53,092		(66,869)
Other-than-temporary impairment loss on investments	1,559,972		1,502,239
Unrealized loss on interest rate swap	199,122
Change in operating assets and liabilities:
Accounts receivable	3,011,203		(1,350,470)
Notes receivable and other non-trade receivables	1,053,846		(669,943)
Inventories	4,223,445		(8,569,464)
Prepaid expenses and other assets	145,640		450,498
Accounts payable	(2,294,265)		1,615,448
Accrued expenses	(538,232)		(317,093)
Income taxes payable/ receivable	(603,843)		(873,557)
Non-current liabilities	165,039		(580,110)
Total adjustments	7,306,324		(5,428,308)
Net cash provided by (used in) operating activities	8,300,230		(10,672,582)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities	(1,007,071)		(2,505,519)
Proceeds from sale of marketable securities	537,826		5,781,001
Net cash used for business combinations and equity investments	(2,900,000)		(4,573,700)
Capital expenses	(15,247,244)		(1,518,007)
Proceeds from sale of property and equipment	1,861		6,281
Net cash used in investing activities	(18,614,628)		(2,809,944)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from line of credit	86,949,125		52,462,391
Payments on lines of credit	(88,817,034)		(34,103,649)
Proceeds from term loan	20,841,000
Payments on term loan	(2,436,225)
Payments of deferred financing costs	(156,115)
Contribution from non-controlling member	252,000
Earnout payments	(1,100,000)
Repurchase of common stock			(7,917,009)
Net cash provided by financing activities	15,532,751		9,741,175
Effect of foreign currency exchange rates on cash and cash equivalents	3,370		17,786
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	5,221,723		(3,723,565)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	2,763,365	[1]	5,345,455
CASH AND CASH EQUIVALENTS AT END OF PERIOD	7,985,088		1,621,890
SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING ACTIVITIES:
Finished goods inventory transferred to equipment leased to customers			321,345
SUPPLEMENTAL DISCLOSURE OF INVESTING ACTIVITIES:
Non-controlling interest in acquired business			1,072,161
Acquired business earnout contract			3,075,000
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest	690,859		158,100
Income taxes	1,457,518		1,028,457
Delphax [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on lines of credit			$ (700,558)

[1] Derived from audited consolidated financial statements