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4. Results of operations from unconsolidated subsidiaries and investees (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Summary of the results of operations from unconsolidated subsidiaries and investees as follows:
Revenue	$ 23,990	$ 23,029
Depreciation	(575)	(589)
Operating expenses	(22,121)	(20,946)
Interest expense	(445)	(534)
Income from continuing operations	849	960
Income from discontinued operations	0	0
Net income	849	960
Company's proportionate share of earnings (losses)	$ 170	$ 192

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

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- 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

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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.

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No definition available.

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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

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No definition available.

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- Definition

The cost of borrowed funds accounted for as interest that was charged against earnings during the period

+ References

No definition available.

+ Details

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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.

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- 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

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

The aggregate revenue from real estate operations during the reporting period

+ References

No definition available.

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