Stockholders' Equity, Note (Details) (USD $)
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3 Months Ended | 12 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | ||||||||||
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Mar. 31, 2014
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Mar. 31, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Mar. 31, 2014
Series B Preferred Stock
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Mar. 31, 2014
Series C Preferred Stock
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Jan. 31, 2014
Series D Preferred Stock
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Mar. 31, 2014
Series D Preferred Stock
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Oct. 31, 2013
Series D Preferred Stock
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Jan. 26, 2012
Treasury Stock Transaction
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Mar. 31, 2014
2011 Equity Incentive Plan, Employees
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Mar. 31, 2014
2011 Equity Incentive Plan, Directors
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Mar. 31, 2014
2011 Equity Incentive Plan, Employee
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Mar. 31, 2014
Series D Unit offering
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Mar. 31, 2014
Non-public offering of notes and warrants
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Mar. 31, 2014
Non-public offering of notes and warrants(2)
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Common stock authorized | 20,000,000 | 20,000,000 | ||||||||||||||
Common shares issued and outstanding | 8,271,398 | 8,082,000 | ||||||||||||||
Preferred stock authorized | 4,500,000 | 4,500,000 | ||||||||||||||
Preferred stock outstanding | 927,915 | 1,005,648 | ||||||||||||||
Shares outstanding | 101,935 | 45,000 | 780,980 | |||||||||||||
Preferred shares converted to common shares | 75,065 | 56,000 | ||||||||||||||
Annual dividend rate | $ 0.16 | $ 0.16 | $ 0.24 | |||||||||||||
Accumulated dividends released | $ 26,488 | |||||||||||||||
Dividends accumulated | 39,859 | 17,574 | ||||||||||||||
Original issue price per share | $ 2.00 | $ 2.00 | $ 3.00 | |||||||||||||
Dividends paid | 6,999 | 44,018 | ||||||||||||||
Dividends payable | 17,574 | 45,665 | ||||||||||||||
Units offered (Common Stock and Warrants) | 772,352 | |||||||||||||||
Units offered (Common Stock and Warrants), price per unit | $ 3.00 | |||||||||||||||
Units offered (Common Stock and Warrants), potential proceeds | 2,317,056 | |||||||||||||||
Units offered (Common Stock and Warrants), additional over-allotment | 1,000,000 | |||||||||||||||
Units offered (Common Stock and Warrants), potential proceeds for additional over-allotment | 3,000,000 | |||||||||||||||
Units sold during offering | 53,332 | |||||||||||||||
Gross proceeds from units sold in offering | 159,996 | |||||||||||||||
Issuance costs | 6,000 | |||||||||||||||
Beneficial conversion feature (BCF) | 13,347 | |||||||||||||||
Common stock returned for cancellation | 10,050,000 | |||||||||||||||
Number of options granted | 184,000 | 410,000 | 94,000 | 40,000 | 50,000 | |||||||||||
Stock-based compensation expense | 129,408 | 19,322 | ||||||||||||||
Unrecognized compensation expense | $ 492,371 | |||||||||||||||
Performance Stock options outstanding | 1,440,000 | 1,440,000 | ||||||||||||||
Weighted average exercise price, performance stock options outstanding | $ 0.11 | $ 0.11 | ||||||||||||||
Performance Stock options exercisable | 40,000 | |||||||||||||||
Weighted average exercise price, performance stock options exercisable | $ 2.00 | |||||||||||||||
Number of warrants issued | 26,666 | 283,329 | 50,000 | |||||||||||||
Warrants outstanding | 723,819 | 363,824 | ||||||||||||||
Weighted average exercise price, warrants | $ 3.00 | $ 3.00 | ||||||||||||||
Warrants granted | 359,995 |