Note 12 - Geographic Long-Lived Assets Information: Schedule Of Long-Lived Assets By Geographic Area (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Details
Long-lived assets in the United States	$ 10,309	$ 10,866	$ 11,151
Long-lived assets in England	24,892	28,604	26,710
Long-lived assets in Ireland	2,543	2,803	2,614
Long-lived assets in Australia	447	525	513
Long-lived assets in Canada	$ 676	$ 759	$ 729

Represents the monetary amount of Long-lived assets in Australia, as of the indicated date.

No definition available.

Name:	fil_LongLivedAssetsInAustralia
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Long-lived assets in Canada, as of the indicated date.

No definition available.

Name:	fil_LongLivedAssetsInCanada
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Long-lived assets in England, as of the indicated date.

No definition available.

Name:	fil_LongLivedAssetsInEngland
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Long-lived assets in Ireland, as of the indicated date.

No definition available.

Name:	fil_LongLivedAssetsInIreland
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Long-lived assets in the United States, as of the indicated date.

No definition available.

Name:	fil_LongLivedAssetsInTheUnitedStates
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.