XML 18 R33.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 2 - Summary of Significant Accounting Policies (Details) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Jun. 30, 2012
Jul. 31, 2011
Nov. 30, 2010
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 10,300,000us-gaap_AllowanceForDoubtfulAccountsReceivable   9,900,000us-gaap_AllowanceForDoubtfulAccountsReceivable        
Cash and Cash Equivalents, at Carrying Value 20,282,000us-gaap_CashAndCashEquivalentsAtCarryingValue 8,504,000us-gaap_CashAndCashEquivalentsAtCarryingValue 9,751,000us-gaap_CashAndCashEquivalentsAtCarryingValue 12,829,000us-gaap_CashAndCashEquivalentsAtCarryingValue      
Cash, FDIC Insured Amount 250,000us-gaap_CashFDICInsuredAmount            
Impairment of Long-Lived Assets Held-for-use 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse   0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse        
Interest Expense 587,000us-gaap_InterestExpense 571,000us-gaap_InterestExpense          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)   7,800,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) $ 19.37us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years            
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability (2,200,000)us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1            
Business Combination Contingent Consideration Settled In Cash 66,000exam_BusinessCombinationContingentConsiderationSettledInCash            
Increase Decrease In Interest And Other Expense Related To Contingent Consideration 941,000exam_IncreaseDecreaseInInterestAndOtherExpenseRelatedToContingentConsideration            
Employee Stock Option [Member] | Cost of Sales [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Allocated Share-based Compensation Expense 469,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember		 694,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember		          
Employee Stock Option [Member] | Selling, General and Administrative Expenses [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Allocated Share-based Compensation Expense 1,400,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 2,100,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		          
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) 30,000us-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) $ 19.37us-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) $ 581,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		            
Allocated Share-based Compensation Expense 1,900,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 2,800,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 8,100,000us-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            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value 16,900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		            
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] | Maximum [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years            
Restricted Stock and RSUs [Member] | Selling, General and Administrative Expenses [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Allocated Share-based Compensation Expense 4,100,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 2,000,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		          
Restricted Stock and RSUs [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 32,900,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember		            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value 3,200,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember		 2,000,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_AwardTypeAxis
= exam_RestrictedStockAndRSUsMember		          
Restricted Stock Units (RSUs) [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares) 122,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember		            
Selling, General and Administrative Expenses [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Allocated Share-based Compensation Expense 130,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 539,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		          
Customer Concentration Risk [Member] | Accounts Receivable [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Concentration Risk, Percentage 16.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember		   14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember		        
UNITED STATES              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Cash and Cash Equivalents, at Carrying Value 9,200,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_StatementGeographicalAxis
= country_US		            
UNITED KINGDOM              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Deferred Revenue 3,800,000us-gaap_DeferredRevenue
/ us-gaap_StatementGeographicalAxis
= country_GB		   4,400,000us-gaap_DeferredRevenue
/ us-gaap_StatementGeographicalAxis
= country_GB		        
2014 Acquisitions [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Business Combination Contingent Consideration Settled In Cash 1,000,000exam_BusinessCombinationContingentConsiderationSettledInCash
/ us-gaap_BusinessAcquisitionAxis
= exam_TheAcquisitions2014Member		            
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		 7,100,000us-gaap_DeferredFinanceCostsGross
/ us-gaap_DebtInstrumentAxis
= exam_SeniorUnsecuredNotesMember		          
Debt Instrument, Term 8 years            
Senior Secured Revolving Credit Facility [Member]              
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]              
Debt Instrument, Term 5 years            
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   225,000exam_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