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Note 2 - Summary of Significant Accounting Policies (Details) (USD $)
 0 Months Ended 1 Months Ended 12 Months Ended 9 Months Ended 3 Months Ended 1 Months Ended 12 Months Ended 6 Months Ended
May 06, 2011
Jul. 31, 2011
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2014
Dec. 31, 2012
Feb. 28, 2014
Feb. 28, 2013
Dec. 31, 2011
Jun. 30, 2014
Jul. 07, 2011
Feb. 09, 2011
Nov. 02, 2010
Jun. 30, 2012
Jul. 19, 2011
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Cash Equivalents, at Carrying Value     $ 0us-gaap_CashEquivalentsAtCarryingValue $ 0us-gaap_CashEquivalentsAtCarryingValue                        
Allowance for Doubtful Accounts Receivable     9,900,000us-gaap_AllowanceForDoubtfulAccountsReceivable 7,200,000us-gaap_AllowanceForDoubtfulAccountsReceivable                        
Cash and Cash Equivalents, at Carrying Value     9,751,000us-gaap_CashAndCashEquivalentsAtCarryingValue 12,829,000us-gaap_CashAndCashEquivalentsAtCarryingValue 8,627,000us-gaap_CashAndCashEquivalentsAtCarryingValue   8,627,000us-gaap_CashAndCashEquivalentsAtCarryingValue     8,416,000us-gaap_CashAndCashEquivalentsAtCarryingValue            
Cash, FDIC Insured Amount     250,000us-gaap_CashFDICInsuredAmount                          
Impairment of Long-Lived Assets Held-for-use     0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse                        
Line of Credit Facility, Increase (Decrease), Other, Net 55,000,000us-gaap_LineOfCreditFacilityIncreaseDecreaseOtherNet (37,500,000)us-gaap_LineOfCreditFacilityIncreaseDecreaseOtherNet                            
Line of Credit Facility, Maximum Borrowing Capacity 300,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity 262,500,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity                   262,500,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity 245,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity 180,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity    
Payments of Debt Extinguishment Costs   621,000us-gaap_PaymentsOfDebtExtinguishmentCosts                            
Interest Expense     2,300,000us-gaap_InterestExpense 2,200,000us-gaap_InterestExpense 2,200,000us-gaap_InterestExpense                      
Deferred Rent Credit     2,600,000us-gaap_DeferredRentCredit 2,000,000us-gaap_DeferredRentCredit                        
Marketing and Advertising Expense     3,400,000us-gaap_MarketingAndAdvertisingExpense 2,900,000us-gaap_MarketingAndAdvertisingExpense 2,900,000us-gaap_MarketingAndAdvertisingExpense                      
Facility Lease Terms Maximum Period     10 years                          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)       8,400,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 10,000,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares)         2,900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)         $ 4.60us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value (in Dollars per share)         $ 13,500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares)     3,676,807us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber 4,700,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber                        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share)     $ 9.95us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice                          
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability     1,800,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1                          
Business Combination Contingent Consideration Settled In Cash     4,700,000exam_BusinessCombinationContingentConsiderationSettledInCash 373,000exam_BusinessCombinationContingentConsiderationSettledInCash                        
Business Combination Contingent Consideration Change Related To Restricted With Shares Issued Previously       110,000exam_BusinessCombinationContingentConsiderationChangeRelatedToRestrictedWithSharesIssuedPreviously                        
Cost of Sales [Member] | Employee Stock Option [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Allocated Share-based Compensation Expense       2,900,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember		 3,000,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember		 2,000,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember		                    
Selling, General and Administrative Expenses [Member] | Employee Stock Option [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Allocated Share-based Compensation Expense       9,200,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 9,000,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 6,200,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		                    
Selling, General and Administrative Expenses [Member] | Restricted Stock and RSUs [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Allocated Share-based Compensation Expense     8,500,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 4,000,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 662,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		                      
Selling, General and Administrative Expenses [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Allocated Share-based Compensation Expense     3,300,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 1,100,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 1,100,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		                      
Interest and Other Expenses [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Increase Decrease In Interest And Other Expense Related To Contingent Consideration     405,000exam_IncreaseDecreaseInInterestAndOtherExpenseRelatedToContingentConsideration
/ us-gaap_IncomeStatementLocationAxis
= exam_InterestAndOtherExpensesMember		                          
Employee Stock Option [Member] | Vests over Four Years [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares)     43,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_VestingAxis
= exam_VestsOverFourYearsMember		                          
Employee Stock Option [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares)     630,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 621,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		     100,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 15.98us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 $ 8.55us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value (in Dollars per share)     $ 10,100,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 $ 5,300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                        
Allocated Share-based Compensation Expense     8,200,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 12,100,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 12,000,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized     8,900,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 10,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year 255 days 1 year 146 days                        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     54,300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 26,700,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 1,300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares)       11.29us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 4,200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		   4,200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share)         $ 9.62us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		   $ 9.62us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                  
Time Lapse Restricted Stock and RSUs [Member] | Maximum [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years                          
Time Lapse Restricted Stock and RSUs [Member] | Minimum [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     1 year                          
Time Lapse Restricted Stock and RSUs [Member] | Midpoint [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     2 years                          
Restricted Stock and RSUs [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value     6,600,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember		 1,000,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember		 553,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember		                      
Restricted Stock Units (RSUs) [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized     15,600,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		 7,500,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		                        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year 219 days 1 year 328 days                        
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares)               83,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		 75,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		              
Exchange Notes [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Debt Instrument, Interest Rate, Stated Percentage                             9.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= exam_ExchangeNotesMember		  
Senior Unsecured Notes [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Deferred Finance Costs, Gross     7,100,000us-gaap_DeferredFinanceCostsGross
/ us-gaap_DebtInstrumentAxis
= exam_SeniorUnsecuredNotesMember		                          
Deferred Financing Costs Incurred         420,000exam_DeferredFinancingCostsIncurred
/ us-gaap_DebtInstrumentAxis
= exam_SeniorUnsecuredNotesMember		         6,700,000exam_DeferredFinancingCostsIncurred
/ us-gaap_DebtInstrumentAxis
= exam_SeniorUnsecuredNotesMember		            
Senior Secured Revolving Credit Facility [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Deferred Finance Costs, Gross     8,300,000us-gaap_DeferredFinanceCostsGross
/ us-gaap_CreditFacilityAxis
= exam_SeniorSecuredRevolvingCreditFacilityMember		                          
Deferred Financing Costs Incurred     263,000exam_DeferredFinancingCostsIncurred
/ us-gaap_CreditFacilityAxis
= exam_SeniorSecuredRevolvingCreditFacilityMember		 56,000exam_DeferredFinancingCostsIncurred
/ us-gaap_CreditFacilityAxis
= exam_SeniorSecuredRevolvingCreditFacilityMember		 654,000exam_DeferredFinancingCostsIncurred
/ us-gaap_CreditFacilityAxis
= exam_SeniorSecuredRevolvingCreditFacilityMember		                      
Senior Notes                               250,000,000us-gaap_SeniorNotes
/ us-gaap_CreditFacilityAxis
= exam_SeniorSecuredRevolvingCreditFacilityMember
Debt Instrument, Interest Rate, Stated Percentage                               9.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= exam_SeniorSecuredRevolvingCreditFacilityMember
Senior Unsecured Notes [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Debt Instrument, Term                     2013 years          
2014 Acquisitions [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability     6,900,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= exam_TheAcquisitions2014Member		                          
Accounts Receivable [Member] | Customer Concentration Risk [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Concentration Risk, Percentage     14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember		 11.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember		                        
Maximum [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 17.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 $ 12.61us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 $ 6.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		                      
Minimum [Member]                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 14.71us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 $ 6.63us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 $ 4.23us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		                      
UNITED STATES                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Cash and Cash Equivalents, at Carrying Value     389,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_StatementGeographicalAxis
= country_US		                          
UNITED KINGDOM                                
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                
Deferred Revenue     $ 4,400,000us-gaap_DeferredRevenue
/ us-gaap_StatementGeographicalAxis
= country_GB		 $ 5,400,000us-gaap_DeferredRevenue
/ us-gaap_StatementGeographicalAxis
= country_GB