|
Summary of Significant Accounting Policies (Narrative) (Details) (USD $)
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3 Months Ended |
12 Months Ended |
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Mar. 31, 2013
|
Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Cash and Cash Equivalents |
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|
|
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| Amounts on deposit in excess of federally insured limits |
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$ 5,600,000 |
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| Basic and Diluted Loss Per Common Share |
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|
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| Number of options and warrants that were not included because their effect is antidilutive |
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2,860,219 |
2,630,002 |
1,973,906 |
| Equity-Based Compensation |
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|
|
|
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| Charge/(benefit) recorded for employee options and restricted stock |
1,841,000 |
424,000 |
2,545,060 |
873,888 |
719,811 |
| Charge/(benefit) recorded for non-employees |
|
|
174,320 |
4,690 |
(16,974) |
| Fair Value Measurements |
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|
|
|
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| Cash and cash equivalents |
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5,900,000 |
8,400,000 |
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| Short term investments |
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$ 5,100,000 |
$ 5,100,000 |
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Consultant [Member]
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|
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| Equity-Based Compensation |
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|
|
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| Number of shares granted |
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60,000 |
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|
Minimum [Member] | Consultant [Member]
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| Equity-Based Compensation |
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|
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| Award vesting period |
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24 months |
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Maximum [Member] | Consultant [Member]
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| Equity-Based Compensation |
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|
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| Award vesting period |
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59 months |
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Licensee One [Member] | Sales [Member]
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| Revenue Recognition/Fee Income: |
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|
|
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| Percentage of fee income |
|
|
40.00% |
62.00% |
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Licensee Two [Member] | Sales [Member]
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| Revenue Recognition/Fee Income: |
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|
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| Percentage of fee income |
|
|
12.00% |
6.00% |
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Licensee Three [Member] | Sales [Member]
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|
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| Revenue Recognition/Fee Income: |
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|
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| Percentage of fee income |
|
|
6.00% |
5.00% |
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Licensee Four [Member] | Sales [Member]
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|
|
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| Revenue Recognition/Fee Income: |
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|
|
|
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| Percentage of fee income |
|
|
6.00% |
5.00% |
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Licensee Five [Member] | Sales [Member]
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|
|
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| Revenue Recognition/Fee Income: |
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|
|
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| Percentage of fee income |
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5.00% |
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