XML 69 R41.htm IDEA: XBRL DOCUMENT
v2.4.0.8

EBITDA Calculation (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2013
EBITDA Calculation [Line Items] |  |
Net loss | $ (1,530,000) |
less: income tax benefit | (934,000) |
Loss before income taxes | (2,464,000) |
less: interest expense | 246,000 |
less: depreciation and amortization | 208,000 |
Earnings before interest, taxes, depreciation,and amortization | $ (2,010,000) | $ 2,010,000

X
- Definition Earnings before interest taxes depreciation and amortization. + References No definition available. + Details
Name: | hdsn_EarningsBeforeInterestTaxesDepreciationAndAmortization
Namespace Prefix: | hdsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Earnings before interest taxes depreciation and amortization adjustments. + References No definition available. + Details
Name: | hdsn_EarningsBeforeInterestTaxesDepreciationAndAmortizationAdjustments
Namespace Prefix: | hdsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Earnings before interest taxes depreciation and amortization income loss before income taxes. + References No definition available. + Details
Name: | hdsn_EarningsBeforeInterestTaxesDepreciationAndAmortizationIncomeLossBeforeIncomeTaxes
Namespace Prefix: | hdsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Earnings before interest taxes depreciation and amortization income tax expense benefit. + References No definition available. + Details
Name: | hdsn_EarningsBeforeInterestTaxesDepreciationAndAmortizationIncomeTaxExpenseBenefit
Namespace Prefix: | hdsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Earnings before interest taxes depreciation and amortization interest expense. + References No definition available. + Details
Name: | hdsn_EarningsBeforeInterestTaxesDepreciationAndAmortizationInterestExpense
Namespace Prefix: | hdsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Earnings before interest taxes depreciation and amortization net income loss. + References No definition available. + Details
Name: | hdsn_EarningsBeforeInterestTaxesDepreciationAndAmortizationNetIncomeLoss
Namespace Prefix: | hdsn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | hdsn_EbitdaCalculationLineItems
Namespace Prefix: | hdsn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration