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Note 18 - Retirement Plans (Detail) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 04, 2010 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years | 5 years |  |
Defined Benefit Plan, Funded Percentage |  | 80.00% |  |
Defined Contribution Plan, Administrative Expenses (in Dollars) |  | $ 2,064 | $ 2,512 | $ 506
One-Half [Member] | Non-Union [Member] |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent |  | 6.00% |  |
One-Half [Member] | CTI Location [Member] |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent |  | 3.00% |  |
One-Half [Member] |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent |  | 3.00% |  |
20 Percent [Member] |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent |  | 20.00% |  |

X
- Definition Plan assets of a defined benefit plan, as a percentage of projected benefit obligation. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanFundedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of administrative expenses incurred by a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration