Quarterly report pursuant to Section 13 or 15(d)

3. Summary of Significant Accounting Policies - Financial liabilities (Details)

v2.4.1.9
3. Summary of Significant Accounting Policies - Financial liabilities (Details) (USD $)
Dec. 31, 2014
Sep. 30, 2014
Mar. 31, 2014
Liabilities:      
Derivative liabilities - warrants $ 177,000us-gaap_DerivativeFairValueOfDerivativeLiability $ 856,000us-gaap_DerivativeFairValueOfDerivativeLiability $ 3,175,000us-gaap_DerivativeFairValueOfDerivativeLiability
Fair Value, Measurements, Recurring [Member]      
Liabilities:      
Derivative liabilities - warrants 177,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
  3,175,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]      
Liabilities:      
Derivative liabilities - warrants 0us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
  0us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]      
Liabilities:      
Derivative liabilities - warrants 0us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
  0us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]      
Liabilities:      
Derivative liabilities - warrants $ 177,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember
  $ 3,175,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsRecurringMember