Consolidated Statements of Cash Flows (As Restated) - USD ($)		12 Months Ended
		Mar. 31, 2016		Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income		$ 3,757,957	[1],[2],[3]	$ 2,483,926
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of marketable securities		(49,720)	[1]	(8,487)
Gain on sale of property and equipment		(5,968)	[1],[2]	(869,116)
Change in accounts receivable and inventory reserves		(462,439)	[1]	(370,756)
Depreciation, amortization and impairment		1,257,207	[1],[2]	856,911
Change in cash surrender value of life insurance		(109,386)	[1]	(103,060)
Deferred income taxes		90,484		(372,000)
Warranty reserve		140,768	[1]	169,683
Compensation expense related to stock options		29,334	[1]	8,958
Change in operating assets and liabilities:
Accounts receivable		(1,530,289)	[1]	640,944
Notes receivable and other non-trade receivables		119,889	[1]	871,882
Inventories		(877,993)	[1]	3,760,133
Prepaid expenses and other assets		(422,547)	[1]	147,659
Accounts payable		605,940	[1]	(1,710,347)
Accrued expenses		1,217,786	[1]	767,231
Income taxes payable/ receivable		(524,900)	[1]	566,000
Non-current liabilities		(21,606)	[1]
Total adjustments		(543,440)	[1]	4,355,635
Net cash provided by operating activities		3,214,517	[1]	6,839,561
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities		(4,481,030)	[1]	(4,527,784)
Proceeds from sale of marketable securities		(226,759)	[1]	(515,045)
Net cash flow from business combination		78,000	[1]
Proceeds from sale of property and equipment		200,634	[1]	3,358,660
Capital expenditures		(1,246,071)	[1]	(799,666)
Decrease in restricted cash		(44,298)	[1]	(526,352)
Net cash used in investing activities		(5,266,006)	[1]	(1,980,097)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from line of credit		14,296,108	[1]	6,330,888
Payment on line of credit		(19,302,273)	[1]	(1,330,888)
Proceeds from funding of lease		7,428	[1]
Repurchase of stock options			[1]	(130,335)
Proceeds from exercise of stock options, net of excess tax benefit			[1]	150,750
Net cash (used in) provided by financing activities		(5,993,746)	[1]	5,020,415
Effect of foreign currency exchange rates on cash and cash equivalents		1,923	[1]
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS		(8,043,312)	[1]	9,879,879
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR		13,388,767	[1]	3,508,888
CASH AND CASH EQUIVALENTS AT END OF YEAR	[1]	5,345,455	[4]	13,388,767
SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING ACTIVITIES:
Finished goods inventory transferred to equipment leased to customers		1,288,474	[1]	1,132,115
SUPPLEMENTAL DISCLOSURE OF INVESTING ACTIVITIES:
Non-controlling interests in acquired business		1,712,935	[1]
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest		47,052	[1]	19,000
Income taxes		2,827,000	[1]	737,000
Delphax [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from line of credit		1,832,600	[1]
Payment on line of credit		(2,827,609)	[1]
CASH AND CASH EQUIVALENTS AT END OF YEAR	[5],[6]	$ 249,528

[1] The Consolidated Statement of Cash Flow for the year ended March 31, 2016 has been restated. See Note 1A.

[2] The Consolidated Statement of Comprehensive Income for the year ended March 31, 2016 has been restated. See Note 1A.

[3] The Consolidated Statement of Comprehensive Income for the year ended March 31, 2016 has been restated. See Note 1A.

[4] The Consolidated Balance Sheet as of March 31, 2016 has been restated. See Note 1A.

[5] Amounts related to Delphax as of March 31, 2016.

[6] The Consolidated Balance Sheet as of March 31, 2016 has been restated. See Note 1A.