No authoritative reference available.

No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Individuals.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ 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 (i)

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

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (a)(1)

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

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1)

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

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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-Publisher FASB

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-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

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- Definition

Net number of share options (or share units) granted during the period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(1)

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Stock-based Compensation (Narrative) (Details) (USD $)	3 Months Ended	6 Months Ended		12 Months Ended
Stock-based Compensation (Narrative) (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation		$ 272	$ 193,586	$ 283,693	$ 2,262,540
Unrecognized compensation expense	58,959	58,959		180,732
Period over which compensation expense will be recognized		2 years		3 years
Warrants exercised					455,098
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of unissued stock options authorized	4,290,578	4,290,578		3,779,508
Number of unissued shares of common stock reserved for issuance	88,200	88,200		774,867
Maximum contractual term		10 years		10 years
Vesting period		3 years		3 years
Weighted average fair value of options granted			$ 0.37	$ 0.27	$ 0.61
Stock based compensation	(2,552)
Warrants exercised					55,098
Stock Options [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation			1,608	833	96,489
Options granted			30,000	50,000	909,200
Number of individuals			2	4	43
Stock Options [Member] \| Consulting Services Providers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation					364,000
Options granted					600,000
Number of individuals					1
Stock Options [Member] \| Nonemployee Installation Technicians [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation					4,263
Options granted					8,700
Number of individuals					15
Stock Options [Member] \| Advisory Board Member [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation					15,000
Options granted					50,000
Number of individuals					1
Warrant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of options granted		$ 0.05	$ 0.27	$ 0.23	$ 0.67
Warrants exercised					400,000
Warrant [Member] \| Unsecured Convertible Note Holder [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted					221,758
Warrant [Member] \| Accounts Receivable Purchase Agreements Counterparty [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted					653,576
Warrant [Member] \| Bridge Loan Counterparty [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted					422,500
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation				65,500	1,668,000
Restricted stock units awarded		686,667	100,000	390,133	1,600,000
Settled by issuance of stock		258,553
Restricted Stock Units [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation				65,500	1,544,000
Number of individuals				5	5
Restricted stock units awarded				390,133	1,400,000
Restricted Stock Units [Member] \| Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation		51,500	31,000
Number of individuals		5	1
Restricted stock units awarded		686,667	100,000
Restricted Stock Units [Member] \| Employee One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation					124,000
Number of individuals					1
Restricted stock units awarded					200,000
Stock Options and Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation		$ 272	$ 160,977	$ 217,359	$ 114,788