Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Jan. 31, 2014
Cash Flows from Operating Activities:
Net Income	$ 4,662us-gaap_NetIncomeLoss	$ 3,212us-gaap_NetIncomeLoss
Adjustments to Reconcile Net Income to Net Cash Provided (Used) By Operating Activities:
Gain on Disposal of Discontinued Operations		(1,800)
Depreciation and Amortization	2,063	1,279
Share-Based Compensation	511us-gaap_ShareBasedCompensation	562us-gaap_ShareBasedCompensation
Deferred Income Tax Benefit	(636)	(636)
Excess Tax Benefit From Share-Based Compensation	(107)	(158)
Write-down of asset held for sale	220	779
Changes in Assets and Liabilities, Net of Impact of Acquisition and Divestiture:
Accounts Receivable	(2,741)	(2,588)
Inventories	(404)us-gaap_IncreaseDecreaseInInventories	(1,283)us-gaap_IncreaseDecreaseInInventories
Accounts Payable and Accrued Expenses	810	1,469
Income Taxes Payable	(1,747)	(3,515)
Other	(1,140)	(1,004)
Net Cash Provided (Used) by Operating Activities	1,491	(4,462)
Cash Flows from Investing Activities:
Proceeds from Sales/Maturities of Securities Available for Sale	12,885	10,835
Purchases of Securities Available for Sale	(9,306)	(21,065)
Release of Funds Held in Escrow From Sale of Grass	1,800us-gaap_DecreaseInRestrictedCash
Proceeds Received on Disposition of Grass Inventory	2,355
Payments Received on Line of Credit and Note Receivable	258	373
Additions to Property, Plant and Equipment	(2,247)	(1,128)
Acquisition of Miltope Ruggedized Printer Business		(6,732)
Net Cash Provided (Used) by Investing Activities	5,745	(17,717)
Cash Flows from Financing Activities:
Proceeds from Common Shares Issued Under Employee Benefit Plans and Employee Stock Option Plans, Net of Payment of Minimum Tax Withholdings	870	944
Purchase of Treasury Stock	(6,250)
Excess Tax Benefit from Share-Based Compensation	107	158
Dividends Paid	(2,128)us-gaap_PaymentsOfDividendsCommonStock	(2,103)us-gaap_PaymentsOfDividendsCommonStock
Net Cash Used in Financing Activities	(7,401)	(1,001)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(218)	522
Net Decrease in Cash and Cash Equivalents	(383)	(22,658)
Cash and Cash Equivalents, Beginning of Year	8,341	30,999
Cash and Cash Equivalents, End of Year	7,958	8,341
Supplemental Information:
Income Taxes, Net of Refunds	$ 4,566us-gaap_IncomeTaxesPaidNet	$ 5,085us-gaap_IncomeTaxesPaidNet

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