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COMMITMENTS AND CONTINGENCIES Royalties (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Payments to Acquire Intangible Assets | $ 150,000 | $ 0 | $ 0
Future royalty payment for license agreement | 10.00% |  |
Annual minimum future royalty payment for license | 50,000 |  |
Minimum royalty payment for license period | 10 years |  |
Research and Development arrangement - BIRD Foundation total grant | 900 |  |
Period of BIRD Foundation funding | 24 months |  |
BIRD Foundation advance payment | 180,000 |  |
BIRD Foundation advance payment - DSIT portion | 113,000 |  |
BIRD Foundation advance payment - USSI portion | 67,000 |  |
BIRD royalty rate on gross sales | 5.00% |  |
GridSense royalty due on certain product sales | 6.00% |  |
Minimum sales needed for GridSense royalty | 4,000,000 |  |
Current cumulative product sales subject to GridSense royalty | $ 2,180,000 |  |
Repayment Period, Two Years [Member] |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Return for total repayment (percentage) | 113.00% |  |
Repayment Period, Three Years [Member] |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Return for total repayment (percentage) | 125.00% |  |
Repayment Period, Four Years [Member] |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Return for total repayment (percentage) | 138.00% |  |
Repayment Period, Five Years [Member] |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Return for total repayment (percentage) | 150.00% |  |

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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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