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Consolidated Statements of Shareholders’ Equity (USD $) In Thousands | Common Class A [Member] Common Stock [Member] | Common Class B [Member] Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Parent [Member] | Noncontrolling Interest [Member] | Total
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Balance at January 1, 2013 at Dec. 31, 2012 | $ 32 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 6 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 58,646 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (18,827)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 39,857 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |  | $ 39,857 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Balance at January 1, 2013 (in Shares) at Dec. 31, 2012 | 3,191 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 612 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Stock options - compensation costs |  |  | 118 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | 118 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |  | 118 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
Investment in subsidiary from accredited investors |  |  |  |  |  | 3,050 us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 3,050 us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
Contribution to paid-in capital |  |  | 7 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | 7 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |  | 7 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Net |  |  |  | 438 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 438 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |  | 438 us-gaap_ProfitLoss
Balance at at Dec. 31, 2013 | 32 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 6 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 58,771 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (18,389)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 40,420 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 3,050 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 43,470 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Balance at (in Shares) at Dec. 31, 2013 | 3,191 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 612 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Stock options - compensation costs |  |  | 80 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | 80 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |  | 80 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
Investment in subsidiary from accredited investors |  |  |  |  |  | 700 us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 700 us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
Cash distributions to non-controlling interest in subsidiary |  |  |  |  |  | (87)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (87)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Contribution to paid-in capital |  |  | 17 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  | 17 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |  | 17 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Net |  |  |  | (1,080)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | (1,080)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | (178)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (1,258)us-gaap_ProfitLoss
Balance at at Dec. 31, 2014 | $ 32 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 6 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 58,868 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (19,469)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 39,437 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | $ 3,485 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | $ 42,922 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Balance at (in Shares) at Dec. 31, 2014 | 3,191 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 612 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |

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