Stockholders' Deficiency (Details 2) (USD $)	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Weighted Average Exercise Price Outstanding	$ 0.44	$ 0.45
Number Outstanding	9,839,044	9,339,044
Number Exercisable	9,579,044
$0.10 - $0.35 \| Warrant [Member]
Weighted Average Exercise Price Outstanding	$ 0.27
Number Outstanding	9,246,198
Weighted Average Exercise Price Exercisable	$ 0.27
Weighted Average Remaining Years of Contractual Life	4 years 2 months 12 days
Number Exercisable	9,246,198
$0.36 - $3.00 \| Warrant [Member]
Weighted Average Exercise Price Outstanding	$ 2.91
Number Outstanding	562,846
Weighted Average Exercise Price Exercisable	$ 2.91
Weighted Average Remaining Years of Contractual Life	1 year 4 months 24 days
Number Exercisable	312,846
$3.01 - $4.95 \| Warrant [Member]
Weighted Average Exercise Price Outstanding	$ 4.95
Number Outstanding	30,000
Weighted Average Exercise Price Exercisable	$ 4.95
Weighted Average Remaining Years of Contractual Life	2 years 6 months
Number Exercisable	20,000
$0.10 - $4.95 \| Warrant [Member]
Weighted Average Exercise Price Outstanding	$ 0.44
Number Outstanding	9,839,044
Weighted Average Exercise Price Exercisable	$ 0.37
Weighted Average Remaining Years of Contractual Life	4 years 1 month 6 days
Number Exercisable	9,579,044

Weighted average exercise price exercisable.

No definition available.

Name:	HEWA_WeightedAverageExercisePriceExercisable
Namespace Prefix:	HEWA_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average remaining years of contractual life.

+ References

No definition available.

+ Details

Name:	HEWA_WeightedAverageRemainingYearsOfContractualLife
Namespace Prefix:	HEWA_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ 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)(1)(iii)

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

+ Details

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

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

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

+ Details

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

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ 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)(1)(i)

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

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=HEWA_P010to035Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=HEWA_P010to495Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=HEWA_P036to3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=HEWA_P301to495Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: