Post-effective amendment to a registration statement that is not immediately effective upon filing

Consolidated Statements of Cash Flows

Consolidated Statements of Cash Flows (USD $)	6 Months Ended		12 Months Ended
Consolidated Statements of Cash Flows (USD $)	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net Loss	$ (454,821)us-gaap_NetIncomeLoss	$ (9,188,596)us-gaap_NetIncomeLoss	$ (8,142,823)us-gaap_NetIncomeLoss	$ (1,853,791)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation expense			322us-gaap_Depreciation	586us-gaap_Depreciation
Stock-based compensation	609,272us-gaap_ShareBasedCompensation	503,355us-gaap_ShareBasedCompensation	1,101,286us-gaap_ShareBasedCompensation	287,927us-gaap_ShareBasedCompensation
Noncash interest expense on notes payable	78,320	55,530	111,059	0
Issuance of common stock for services	8,625	51,750	94,875	0
Gain on exercise of warrants	(224,000)arth_GainOnExerciseOfWarrants	0arth_GainOnExerciseOfWarrants
Loss on warrant derivative modification	1,924,186	0
Adjustment to fair value of derivative	(3,849,448)	(484,875)
Non cash expense for issuance of warrants	0	7,541,693	3,420,000	0
Other noncash adjustments	0	92,500	92,500	(92)
Noncash interest expense on convertible notes payable			0	82,147
Noncash interest expense on notes payable to related party			0	25,599
Repayment of accrued interest to related party			0	(98,288)
(Increase) decrease in:
Prepaid expenses and other current assets	11,029	(11,288)	(13,779)	(16,321)
Other Assets			0	(10,062)
Increase (decrease) in:
Accounts payable	28,267	(210,614)	(138,937)	56,343
Accrued expenses and other liabilities	58,650	9,108	126,995	91,332
Net cash used in operating activities	(1,809,920)	(1,641,437)	(3,348,502)	(1,434,620)
Cash flows from investing activities:			0	0
Cash flows from financing activities:
Proceeds from exercise of Warrants	800,000us-gaap_ProceedsFromWarrantExercises	0us-gaap_ProceedsFromWarrantExercises
Proceeds from issuance of common stock and warrants	0	2,715,403	2,624,703	2,000,000
Repayment of notes payable to related party			0	(275,200)
Proceeds from issuance of convertible notes	750,000us-gaap_ProceedsFromConvertibleDebt	0us-gaap_ProceedsFromConvertibleDebt	0us-gaap_ProceedsFromConvertibleDebt	250,000us-gaap_ProceedsFromConvertibleDebt
Proceeds from issuance of notes payable	0us-gaap_ProceedsFromNotesPayable	1,000,000us-gaap_ProceedsFromNotesPayable	1,000,000us-gaap_ProceedsFromNotesPayable	0us-gaap_ProceedsFromNotesPayable
Net cash provided by financing activities	1,550,000	3,715,403	3,624,703	1,974,800
Net (decrease) increase in cash and cash equivalents	(259,920)	2,073,966	276,201	540,180
Cash and cash equivalents, beginning of period	833,520	557,319	557,319	17,139
Cash and cash equivalents, end of period	573,600	2,631,285	833,520	557,319
Cash paid during the period for:
Interest			0us-gaap_InterestPaid	98,288us-gaap_InterestPaid
Debt with warrants issued for promissory note receivable			0	1,000,000
Exchange of convertible notes and related accrued interest for common stock			0	2,470,022
Fully depreciated fixed assets disposed of			$ 2,066	$ 0