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7. Noncontrolling Interests (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Details      
Total Shareholders' Equity $ 33,969us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest $ 25,631us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest $ 19,742us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Temporary Equity, Carrying Amount, Attributable to Noncontrolling Interest 111us-gaap_TemporaryEquityCarryingAmountAttributableToNoncontrollingInterest 122us-gaap_TemporaryEquityCarryingAmountAttributableToNoncontrollingInterest  
Profit from operations, non-controlling interest portion 143fil_ProfitFromOperationsNonControllingInterestPortion    
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders $ 145,000us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders