Intangible Assets (Detail) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Value	$ 30,098,000
Currency Translation Adjustment	(2,398,362)
Impairments and Other Adjustments	(1,195,314)
Accumulated Amortization	(6,169,688)
Net Book Value	20,334,636	23,148,563
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Value	16,700,000
Currency Translation Adjustment	(1,369,787)
Accumulated Amortization	(2,960,171)
Net Book Value	12,370,042	13,228,351
Useful Life		15 years
Distributor relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Value	4,700,000
Currency Translation Adjustment	(424,639)
Accumulated Amortization	(2,541,908)
Net Book Value	1,733,453	2,547,842
Useful Life		5 years
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Value	1,000,000
Currency Translation Adjustment	(81,824)
Accumulated Amortization	(169,010)
Net Book Value	749,166	790,555
Useful Life		16 years
Elevess trade name
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Value	1,000,000
Accumulated Amortization	(498,599)
Net Book Value	501,401	626,749
Useful Life		9 years
In-process research & development
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Value	6,698,000
Currency Translation Adjustment	(522,112)
Impairments and Other Adjustments	(1,195,314)
Net Book Value	$ 4,980,574	$ 5,955,066

Finite-lived Intangible Assets, Foreign Currency Translation Adjustments and Other

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- Definition

Indefinite Lived Intangible Assets Gross (Excluding Goodwill)

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- Definition

Intangible Assets Gross Carrying Amount

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- Definition

Intangible Assets, Impairments and Other Adjustments

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Carrying amount of assets (excluding financial assets) that lack physical substance, excluding goodwill, having a projected indefinite period of benefit.

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

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-Name Accounting Standards Codification

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Impairment recognized during the period and allocated to the reportable segment that results from the write-down of indefinite-lived intangible assets after comparing the implied fair value of reporting unit indefinite-lived intangible assets with the carrying amount of that indefinite-lived intangible assets, which are assessed at least annually for impairment.

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Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity for foreign currency translation adjustments.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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