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

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No definition available.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Subparagraph (SX 210.7-03.16)

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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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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-Subparagraph (SX 210.5-02.19(b),22(b))

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

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- Definition

Including the current and noncurrent portions, the carrying value as of the balance sheet date of notes payable to banks, excluding mortgage notes, initially due beyond one year or beyond the operating cycle if longer.

+ References

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- Definition

The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

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-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 210

-Section S99

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-Subparagraph (SX 210.9-03.16)

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-Section 02

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-Subsection 19, 20, 22

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Note 4 - Financing Arrangements (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended	0 Months Ended
Note 4 - Financing Arrangements (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 30, 2014	Dec. 17, 2013	Dec. 06, 2013	Dec. 17, 2012
Note 4 - Financing Arrangements (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 20,000,000
Long-term Line of Credit	20.0us-gaap_LineOfCredit	20,000,000us-gaap_LineOfCredit
Line of Credit Facility, Remaining Borrowing Capacity	6.0	6,000,000
Interest Expense, Debt	134,000us-gaap_InterestExpenseDebt	146,000us-gaap_InterestExpenseDebt	122,000us-gaap_InterestExpenseDebt
Operating Leases, Rent Expense	1,100,000us-gaap_LeaseAndRentalExpense	1,100,000us-gaap_LeaseAndRentalExpense	1,100,000us-gaap_LeaseAndRentalExpense
Bank Line Of Credit Maturing August 2015 [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.75%	0.75%
Bank Line Of Credit Maturing August 2015 [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Unsecured Debt				18,000,000			17,000,000
Notes Payable to Bank	12,000,000
Repayments of Unsecured Debt	3,000,000
Promissory Note [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate						0.75%
Promissory Note [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Notes Payable						6,000,000
Bank Line Of Credit Maturing May 2014 [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.75%
Bank Line Of Credit Maturing May 2014 [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Unsecured Debt		10,000,000
Bank Line Of Credit Maturing May 2012 [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Letters of Credit Outstanding, Amount		$ 4,000,000
London Interbank Offered Rate (LIBOR) [Member]
Note 4 - Financing Arrangements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.75%