INCENTIVE STOCK PLAN (Details 1) (USD $)	12 Months Ended
Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Shares Outstanding, beginning of year	6,121,867
Shares Cancelled	(15,000)
Shares Vested	(10,303)
Shares Outstanding, end of year	5,306
Outstanding, beginning of year Weighted Average Exercise Price	$ 35.91
Cancelled Weighted Average Exercise Price	$ 26.52
Vested Weighted Average Exercise Price	$ 40.53
Outstanding, end of year Weighted Average Exercise Price	$ 28.41
Outstanding, beginning of year Fair Value On Grant Date	916,808
Cancelled Fair Value On Grant Date	$ 39,780drop_CancelledFairValueOnGrantDate
Vested Fair Value On Grant Date	(411,669)
Outstanding, end of year Fair Value On Grant Date	107,339

No authoritative reference available.

No definition available.

Name:	drop_CancelledFairValueOnGrantDate
Namespace Prefix:	drop_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	drop_CancelledWeightedAverageExercisePrice
Namespace Prefix:	drop_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award Equity Instruments Other Than Options Nonvested Intrinsic Value.

+ References

No definition available.

+ Details

Name:	drop_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValues
Namespace Prefix:	drop_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the weighted average exercise price of non vested stock options vested during the period.

+ References

No definition available.

+ Details

Name:	drop_SharebasedCompensationArrangementBySharebasedPaymentAwardStockOptionsNonvestedVestedInPeriodWeightedAverageExercisePrice
Namespace Prefix:	drop_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the weighted average exercise price of non vested stock options outstanding.

+ References

No definition available.

+ Details

Name:	drop_SharebasedCompensationArrangementBySharebasedPaymentAwardStockOptionsNonvestedWeightedAverageExercisePrice
Namespace Prefix:	drop_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Unvested Stock Option Initial Intrinsic Value.

+ References

No definition available.

+ Details

Name:	drop_UnvestedStockOptionInitialIntransicValues
Namespace Prefix:	drop_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The net total number of shares (or other type of equity) under an equity-based award plan, other than a stock option plan, that were granted, vested and forfeited during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration