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Summary of the results of operations from unconsolidated subsidiaries and investees as follows (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Summary of the results of operations from unconsolidated subsidiaries and investees as follows: |  |
Revenue | $ 12,790 fil_Revenue | $ 11,626 fil_Revenue
Depreciation | (288)fil_Depreciation1 | (288)fil_Depreciation1
Operating expenses | (11,598)fil_OperatingsExpenses1 | (10,669)fil_OperatingsExpenses1
Interest expense | (201)fil_InterestExpense1 | (227)fil_InterestExpense1
Income from continuing operations | 703 fil_IncomeFromContinuingOperations | 442 fil_IncomeFromContinuingOperations
Income from discontinued operations | 0 fil_IncomesFromDiscontinuedOperation | 0 fil_IncomesFromDiscontinuedOperation
Net income | 703 fil_NetIncome1 | 442 fil_NetIncome1
Company's proportionate share of earnings | $ 141 fil_CompanySProportionateShareOfEarnings | $ 88 fil_CompanySProportionateShareOfEarnings

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the company. + References No definition available. + Details
Name: | fil_CompanySProportionateShareOfEarnings
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation + References No definition available. + Details
Name: | fil_Depreciation1
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the income or loss from continuing operations attributable to the parent which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests, if any. + References No definition available. + Details
Name: | fil_IncomeFromContinuingOperations
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items before deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal + References No definition available. + Details
Name: | fil_IncomesFromDiscontinuedOperation
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cost of borrowed funds accounted for as interest that was charged against earnings during the period + References No definition available. + Details
Name: | fil_InterestExpense1
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the income or loss from continuing operations attributable to noncontrolling interests, if any, which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items which are apportioned to that ownership interest in subsidiary equity which is not attributable to the parent + References No definition available. + Details
Name: | fil_NetIncome1
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense + References No definition available. + Details
Name: | fil_OperatingsExpenses1
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate revenue from real estate operations during the reporting period + References No definition available. + Details
Name: | fil_Revenue
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | fil_SummaryOfTheResultsOfOperationsFromUnconsolidatedSubsidiariesAndInvesteesAsFollowsAbstract
Namespace Prefix: | fil_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration