Long-term Debt (Details Textual) (USD $)	9 Months Ended
Nov. 30, 2012
Long Term Debt (Textual) [Abstract]
Note Payable to bank Minimum variable spread rate on basis fixed rate	4.00%
Mortgage payable to bank [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate Terms	Mortgage payable to bank; interest rate at Community Banks Base Rate plus 0.5% (3.75% as of November 30, 2012); monthly principal and interest payments of $5 payable through October 2021; collateralized by land and building of Aydin Display Systems, Inc.
Combined rate	3.75%
Interest rate	0.50%
Mortgage Payable to bank monthly principal and interest payments payable	5,000
Note payable to bank through December 2015 [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate Terms	Note payable to RBC Bank and Community & Southern Bank; interest rate at LIBOR plus applicable margin as defined per the loan agreement, minimum 4.00% (2.51% combined rate as of November 30, 2012); monthly principal payments of $58 plus accrued interest, payable through December 2013 with an extension to December 2015 with a renewal of the credit agreement in December 2013; collateralized by all assets of the Company.
Note Payable to bank Minimum variable spread rate on basis fixed rate	4.00%
Combined rate	2.51%
Notes Payable monthly principal payments	58,000
Note payable to bank through December 2025 [Member]
Long Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate Terms	Note payable to RBC Bank and Community & Southern Bank; interest rate at LIBOR plus applicable margin as defined per the loan agreement, minimum 4.00% (2.51% combined rate as of November 30, 2012); monthly principal payments of $17 plus accrued interest, payable through December 2013 with an extension to December 2025 with a renewal of the credit agreement in December 2013; collateralized by three properties of the Company and one property owned by the Chief Executive Officer.
Note Payable to bank Minimum variable spread rate on basis fixed rate	4.00%
Combined rate	2.51%
Notes Payable monthly principal payments	17,000

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Data Type:	num:percentItemType
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

When presenting a range of interest rates, the lowest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

+ Details

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- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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Balance Type:	debit
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- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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