Note 6 - Subsequent Event (Details) (Subsequent Event [Member], Adams Cable Equipment [Member], Adams Global Communications [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
Jan. 31, 2014
Subsequent Event [Member] \| Adams Cable Equipment [Member] \| Adams Global Communications [Member]
Note 6 - Subsequent Event (Details) [Line Items]
Proceeds from Divestiture of Interest in Consolidated Subsidiaries	$ 2
Noncompete Term	3 years
Assets of Disposal Group, Including Discontinued Operation, Current	2.6
Assets of Disposal Group, Including Discontinued Operation, Noncurrent	0.5
Liabilities of Disposal Group, Including Discontinued Operation, Current	0.1
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ (0.6)

The number of years for which the Company agrees to not compete.

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- Definition

The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for current assets (assets with expected useful life shorter than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date.

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The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for noncurrent assets (assets with expected useful life longer than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date.

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- Definition

The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

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Carrying value as of the balance sheet date of current obligations (due less than one year or one operating cycle, if longer) arising from the sale, disposal or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

+ References

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-Publisher FASB

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-Topic 205

-SubTopic 20

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-Paragraph 10

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The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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