|
Note 5 - Employee Benefit Plans (Detail) - Summary of weighted-average assumptions used to determine benefit obligations and costs at De
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
| Discount rate | 4.25% | 4.75% | 5.75% |
| Rate of compensation increase | 7.29% | 7.29% | 7.29% |
| Discount rate | 4.75% | 5.75% | 6.25% |
| Expected return on plan assets | 7.00% | 7.00% | 7.00% |
| Rate of compensation increase | 7.29% | 7.29% | 7.29% |
| X | ||||||||||
|
- Definition
The interest rate used to adjust for the time value of money for the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Expected rate of compensation increases (for pay-related plans). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The interest rate used to adjust for the time value of money. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Expected rate of compensation increases (for pay-related plans). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|