Annual report pursuant to Section 13 and 15(d)

COMMON STOCK WARRANTS (Details)

v2.4.1.9
COMMON STOCK WARRANTS (Details) (Warrants [Member], USD $)
0 Months Ended 12 Months Ended
Jun. 25, 2014
Mar. 26, 2014
Oct. 31, 2013
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Jan. 07, 2014
Jan. 02, 2014
Dec. 30, 2013
Oct. 02, 2013
Mar. 21, 2013
Oct. 30, 2012
Sep. 07, 2012
Dec. 21, 2011
Warrants [Member]
                           
Outstanding Warrants                            
Warrants outstanding, beginning       5,860,934us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
8,527,638us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
8,878,874us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
          3,995,122us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
   
Warrants granted       247,217us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
56,667us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
1,646,405us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
               
Warrants exercised (50,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
(500)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
(55,556)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
(4,135,989)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
(2,396,774)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
(1,790,798)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
               
Warrants forfeited       25,154us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
(326,567)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
(206,843)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
               
Warrants outstanding, ending       1,947,008us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
5,860,934us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
8,527,638us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
          3,995,122us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
   
Weighted Average Exercise Price                            
Warrants outstanding, beginning       $ 2.78us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 2.80us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 2.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.94us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.88us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.94us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.96us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 4.32us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.57us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 1.95us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
Warrants granted       $ 7.94ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsGrants
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 4.32ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsGrants
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.10ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsGrants
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
               
Warrants exercised       $ 4.41ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 2.78ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 1.65ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsExercised
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
               
Warrants forfeited       $ 1.20ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsFortfeitures
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.57ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsFortfeitures
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 2.37ohrp_ClassOfWarrantOrRightExercisePriceOfWarrantsFortfeitures
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
               
Warrants outstanding, ending $ 1.20us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 1.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.64us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 2.78us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 2.80us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.94us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.88us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.94us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 7.96us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 4.32us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.57us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 3.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
$ 1.95us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember