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CONVERTIBLE DEBENTURE (Narrative) (Details)	6 Months Ended
	Sep. 30, 2015 USD ($)
Convertible Debenture 1	8.00%
Convertible Debenture 2	$ 1,000,100
Convertible Debenture 3	85.00%
Convertible Debenture 4	$ 176,488

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- Definition

Convertible Debenture 4

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No definition available.

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Namespace Prefix:	hsm_
Data Type:	xbrli:monetaryItemType
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- Definition

Convertible Debenture 1

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No definition available.

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Namespace Prefix:	hsm_
Data Type:	num:percentItemType
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- Definition

Convertible Debenture 3

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No definition available.

+ Details

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Namespace Prefix:	hsm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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- Definition

Convertible Debenture 2

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No definition available.

+ Details

Name:	hsm_ConvertibleDebentureZeroThreeZeroFourZeroZeronfVWtNOneTLvFived
Namespace Prefix:	hsm_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration