Cost Method Investment, Ownership Percentage

No definition available.

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Subparagraph a

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

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-Subparagraph (SX 210.5-02.19(a))

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

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- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

+ 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 210.5-03.2)

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-Name Regulation S-X (SX)

-Number 210

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 3

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-Topic 205

-SubTopic 20

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-Paragraph 1

-Subparagraph (b)

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- Definition

Describes the terms of a significant arrangement with a supplier (excluding an unconditional purchase obligation) to acquire goods or services over a period of time beyond one year or the normal operating cycle, if longer, which may include identification of the goods or services to be purchased, pricing, effects on pricing of failing to reach minimum quantities required to be purchased, cancellation rights, and termination provisions.

+ References

No definition available.

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- Definition

Cash received from customers for deposits on goods or services during the period; excludes deposits with other institutions and time deposits, which pertain to financial services entities.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (a)

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 225

-SubTopic 10

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-Subparagraph (SX 210.5-03.1)

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Excluding long-term commitments, description of arrangements in which the entity must commit resources to supply goods or services to one or more customers, which may include identification of the goods or services to be furnished, identity of the buyer, pricing, effects on pricing (such as penalties) of failing to deliver minimum quantities required to be furnished, cancellation rights, and termination provisions.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Paragraph 25

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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NOTE G - INVESTMENT IN MORION, INC. (Details) (USD $)	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended		12 Months Ended
NOTE G - INVESTMENT IN MORION, INC. (Details) (USD $)	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Apr. 30, 2013	Oct. 31, 2013 Morion Inc [Member] Product and Training Services [Member]	Oct. 31, 2012 Morion Inc [Member] Product and Training Services [Member]	Oct. 31, 2013 Morion Inc [Member] Product and Training Services [Member]	Oct. 31, 2012 Morion Inc [Member] Product and Training Services [Member]	Oct. 31, 2013 Morion Inc [Member]	Oct. 31, 2012 Morion Inc [Member]	Oct. 31, 2013 Morion Inc [Member]	Oct. 31, 2012 Morion Inc [Member]	Oct. 31, 2013 Morion Inc. Licensing Agreement [Member] Technology Transfer, Training and Sale of Parts [Member]	Oct. 31, 2013 Morion Inc. Licensing Agreement [Member] Technology Transfer, Training and Sale of Parts [Member]	Oct. 31, 2013 Morion Inc. Licensing Agreement [Member]	Apr. 30, 2013 Morion Inc. Licensing Agreement [Member]	Oct. 31, 2013 Morion Inc [Member]
NOTE G - INVESTMENT IN MORION, INC. (Details) [Line Items]
Cost Method Investment Ownership Percentage																		4.60%
Cost of Revenue	$ 10,775,000	$ 10,837,000	$ 21,336,000	$ 21,541,000						$ 68,000	$ 6,000	$ 98,000	$ 18,000
Revenues	17,007,000	17,569,000	33,834,000	34,254,000		510,000	66,000	652,000	96,000					400,000	400,000
Accounts Payable, Current	1,406,000		1,406,000		1,205,000					11,000		11,000
Accounts Receivable, Net, Current	11,318,000		11,318,000		7,781,000					343,000		343,000				225,000
Supply Commitment, Description																	The agreement requires the Company to supply production equipment and parts and to provide training to Morion employees to enable Morion to achieve certain levels of volume production of rubidium oscillators.Morion will pay the Company approximately $2.7 million for the license, the equipment, parts and training, plus 5% royalties on third party sales.
Long-term Purchase Commitment, Description																For a 5-year period following an initial production run, the Company commits to purchase from Morion a minimum of approximately $400,000 worth of rubidium oscillators per year although Morion is not obligated to sell that amount to the Company.
Proceeds from Deposits from Customers																	925,000
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property			$ 736,000	$ 0										$ 736,000	$ 736,000