Note 5 - Leases and Gain On Disposal of Building Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Details
Operating Leases, Rent Expense	$ 230us-gaap_LeaseAndRentalExpense	$ 161us-gaap_LeaseAndRentalExpense
Base Rent After Lease Extension	548fil_BaseRentAfterLeaseExtension
Book Value of Disposed Building Assets	2,532
Extinguishment of Debt, Amount	3,152us-gaap_ExtinguishmentOfDebtAmount
Gain on Building	21us-gaap_GainLossOnDispositionOfAssets1
Gain from extinguishment of deferred rent credit, to be recognized	1,526
Gain from extinguishment of deferred rent credit	$ 51

The base annual rent per the extended 5-year term.

No definition available.

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value of the building assets disposed during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Gain from extinguishment of deferred rent credit

+ References

No definition available.

+ Details

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Gain from extinguishment of deferred rent credit, to be recognized

+ References

No definition available.

+ Details

Name:	fil_GainFromExtinguishmentOfDeferredRentCreditToBeRecognized
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

Name:	us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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