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Note 18 - Employee Benefits (Details Textual) - USD ($)	4 Months Ended	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Payment for Pension and Other Postretirement Benefits		$ 529,000	$ 376,000
Domestic Plan [Member] | Delphax [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match		50.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent		6.00%
Deferred Compensation Arrangement with Individual, Requisite Service Period		3 years
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 15,000	$ 0
Foreign Plan [Member] | CANADA
Deferred Compensation Arrangement with Individual, Requisite Service Period		2 years
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 41,000	$ 78,000
Foreign Plan [Member] | CANADA | Minimum [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay		3.00%
Foreign Plan [Member] | CANADA | Maximum [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay		4.00%
Foreign Plan [Member] | Delphax [Member]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent		2.00%
General and Administrative Expense [Member]
Other Labor-related Expenses		$ 390,000	$ 1,748,000

X

- Definition

Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

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+ References

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+ References

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

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- Definition

Amount of labor-related expenses classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Amount of payment for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585

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