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Amount of decrease in additional paid in capital (APIC) resulting from a tax deficiency associated with a share-based compensation plan other than an employee stock ownership plan (ESOP).

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested options awarded to employees as compensation.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

+ References

No definition available.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Note 16 - Employee and Non-employee Stock Options (Details Textual) - USD ($)	4 Months Ended	12 Months Ended			24 Months Ended
	Mar. 31, 2016	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		0	0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	40,000			40,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance	40,000	9,182	10,000	40,000	10,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price		$ 0	$ 0
Delphax [Member] \| Certain Employees of Delphax [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	1,200,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 0.33
Employee and Non Employee Director Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		0	0
Allocated Share-based Compensation Expense, Total		$ 0	$ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options		$ 0	$ 0		$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period		818	30,000	6,000	36,000
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation			$ 63,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price		$ 10.56
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance		9,182
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		256,000
Exercise Price to Fair Market Value		100.00%