Fair Value Measurements (Narrative) (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash equivalents invested in money market funds	$ 2,001,545	$ 5,361,053
Fair Value, Inputs, Level 1 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash equivalents invested in money market funds	$ 2,001,545	$ 5,361,053
Fair Value, Inputs, Level 3 [Member] \| Warrants Issued May 10, 2012 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrant expiration date	May 01, 2018
Volatility rate	170.85%
Risk-free interest rate	0.89%
Closing stock price	$ 2.05
Fair Value, Inputs, Level 3 [Member] \| Warrants Issued August 2013 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrant expiration date	Nov. 01, 2018
Volatility rate	161.52%
Risk-free interest rate	0.89%
Closing stock price	$ 2.05

Fair Value Assumptions Closing Stock Price

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Warrant expiration date

+ References

No definition available.

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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Risk-free interest rate assumption used in valuing an instrument.

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