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Significant Accounting Policies (Details) (USD $)	3 Months Ended		6 Months Ended	12 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Patents [Member]	Jun. 30, 2012 Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization					$ 343,000	$ 0
Accounts Receivable [Abstract]
Allowance for doubtful accounts	44,000		44,000	49,000
Provision for doubtful accounts			27,000
Accounts receivable charge-offs		0	32,000
Revenue Recognition [Abstract]
Net sales returns provision	281,000	107,000	471,000	146,000
Provision charges	$ 231,000	$ 26,000	$ 397,000	$ 26,000

X

- Definition

Refers to provision charges for sales return during the period.

+ References

No definition available.

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X

- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524



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- Definition

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

+ References

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

-Publisher FASB

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-Paragraph 28

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For each income statement presented, the amount of estimated sales returns.

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