Note 2 - Definite-lived Intangible Assets and Goodwill: Schedule of Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Gross Carrying Amount	$ 630	$ 630
Accumulated Amortization	$ (603)	(562)
Maintenance And Legacy Customers
Weighted Avg. Amortization Period in Years	10 years
Gross Carrying Amount	$ 350	350
Accumulated Amortization	$ (335)	(308)
Planetarium Shows
Weighted Avg. Amortization Period in Years	10 years
Gross Carrying Amount	$ 280	280
Accumulated Amortization	$ (268)	$ (254)

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

- Details

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Period Type:

- Details

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