Pre Merger Warrants - Additional Information (Detail) (USD $)
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12 Months Ended | 91 Months Ended | |
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2013
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Class of Warrant or Right [Line Items] | |||
Debt Conversion, Converted Instrument, Warrants or Options Issued | 42us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1 | ||
Preferred Stock, Par or Stated Value Per Share | 0.01us-gaap_PreferredStockParOrStatedValuePerShare | 0.01us-gaap_PreferredStockParOrStatedValuePerShare | |
Proceeds from Issuance or Sale of Equity | 1,000,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity | ||
Minimum [Member] | |||
Class of Warrant or Right [Line Items] | |||
Percentage of principle balance of notes on conversion price of notes |
6.00%arth_PercentageOfPrincipleBalanceOfNotesOnConversionPriceOfNotes / us-gaap_RangeAxis = us-gaap_MinimumMember |
10.00%arth_PercentageOfPrincipleBalanceOfNotesOnConversionPriceOfNotes / us-gaap_RangeAxis = us-gaap_MinimumMember |
10.00%arth_PercentageOfPrincipleBalanceOfNotesOnConversionPriceOfNotes / us-gaap_RangeAxis = us-gaap_MinimumMember |
Maximum [Member] | |||
Class of Warrant or Right [Line Items] | |||
Percentage of principle balance of notes on conversion price of notes |
10.00%arth_PercentageOfPrincipleBalanceOfNotesOnConversionPriceOfNotes / us-gaap_RangeAxis = us-gaap_MaximumMember |
50.00%arth_PercentageOfPrincipleBalanceOfNotesOnConversionPriceOfNotes / us-gaap_RangeAxis = us-gaap_MaximumMember |
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- Definition
Percentage of principle balance of notes on conversion price of notes. No definition available.
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- Definition
The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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