Stock Options (Details Textual) (USD $) | 3 Months Ended | 12 Months Ended |
Dec. 31, 2013 | Dec. 31, 2013 | Dec. 31, 2012 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | ' | $2.80 | $1.54 |
Allocated Share-based Compensation Expense | ' | $5,513,861 | $1,975,115 |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total | 6,609,208 | 6,609,208 | ' |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | ' | '1 year 7 months 6 days | ' |
Allocated Share-based Compensation Expense, performance was not rendered | ' | 386,119 | ' |
Proceeds From Issuance Of Common Stock And Warrants | ' | 25,495 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights | ' | '3 | '3 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 9,375,010 | 3,056,383 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | 35,377 | ' | ' |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit | ' | $4.38 | ' |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit | ' | $8.75 | ' |
2011 Plan [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 1,828,571 | 1,828,571 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 3,319,421 | 1,979,576 |
Minimum [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | ' | $3.28 | $4.38 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '5 years | '5 years |
Maximum [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | ' | $10.94 | $8.75 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '10 years | '10 years |
Award Date May 17, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | ' | 530,286 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | ' | 914,080 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | ' | ' | 79,543 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value | ' | ' | $4.38 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | ' | '10 years |
Award Date May 17, 2012 [Member] | Minimum [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $4.38 |
Award Date May 17, 2012 [Member] | Maximum [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $6.56 |
Award Date November 27, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | ' | 457,143 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | ' | 695,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | ' | ' | 57,143 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value | ' | ' | $8.75 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | ' | '10 years |
Award Date November 5, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $4.38 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | ' | 212,261 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | ' | 318,833 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | ' | '10 years |
Award Date November 29, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | ' | 177,600 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | ' | 292,670 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | ' | ' | 59,200 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value | ' | ' | $4.38 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | ' | '10 years |
Award Date December 20, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $6.82 | $6.82 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 730,535 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 3,826,039 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '10 years | ' |
Award Date July 22, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 622,170 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 1,556,984 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '9 years 6 months | ' |
Award Date February 4, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | ' | $3.18 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 279,227 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 684,107 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '10 years | ' |
Award Date May 10, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 171,432 | 171,432 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 274,275 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 292,406 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | ' | 57,144 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '10 years | ' |
Award Date September 03, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 185,142 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 384,210 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | ' | 61,714 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value | ' | $4.38 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '10 years | ' |
Reserved for Outstanding Options [Member] | 2011 Plan [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 681,053 | 681,053 | ' |
Reserved for Outstanding Options [Member] | Inactive Stock Option Plan [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 352,191 | 352,191 | ' |
Available for Future Option Issuances [Member] | 2011 Plan [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 1,147,518 | 1,147,518 | ' |
Reserved for non-plan outstanding options [Member] | Inactive Stock Option Plan [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 3,952,342 | 3,952,342 | ' |
Vesting Year One [Member] | Award Date November 27, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $8.75 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 57,143 |
Vesting Year One [Member] | Award Date November 5, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 70,754 |
Vesting Year One [Member] | Award Date November 29, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $6.56 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 59,200 |
Vesting Year One [Member] | Award Date December 20, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 81,171 | 81,171 | ' |
Vesting Year One [Member] | Award Date May 10, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $4.38 | $4.38 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 57,144 | 57,144 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | ' | 54,855 | ' |
Vesting Year One [Member] | Award Date September 03, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $6.56 | $6.56 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 61,714 | 61,714 | ' |
Vesting Year Two [Member] | Award Date November 27, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $8.75 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 57,143 |
Vesting Year Two [Member] | Award Date November 5, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 70,754 |
Vesting Year Two [Member] | Award Date November 29, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $8.75 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 59,200 |
Vesting Year Two [Member] | Award Date May 10, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $5.47 | $5.47 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 54,855 | 54,855 | ' |
Vesting Year Two [Member] | Award Date September 03, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $8.75 | $8.75 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 61,714 | 61,714 | ' |
Vesting Year Three [Member] | Award Date November 27, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | ' | ' | $8.75 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 57,143 |
Vesting Year Three [Member] | Award Date November 5, 2012 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | ' | ' | 70,753 |
Vesting Year Three [Member] | Award Date May 10, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $6.56 | $6.56 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 54,855 | 54,855 | ' |
Vesting in Next Eight Succeeding Quarterly Anniversaries [Member] | Award Date December 20, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 81,171 | 81,171 | ' |
Vesting Year Four [Member] | Award Date May 10, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $8.75 | $8.75 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 54,855 | 54,855 | ' |
Vesting Year Five [Member] | Award Date May 10, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $10.94 | $10.94 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 54,855 | 54,855 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 476,794 | ' |
Vesting Option One [Member] | Award Date July 22, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | ' | 106,057 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $6.56 | $6.56 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 207,290 | ' |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price | ' | $6.56 | ' |
Vesting Option Two [Member] | Award Date July 22, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | ' | 114,286 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $8.75 | $8.75 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 207,290 | ' |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price | ' | $8.75 | ' |
Vesting Option Three [Member] | Award Date July 22, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | ' | 57,142 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $10.94 | $10.94 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 207,290 | ' |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price | ' | $8.75 | ' |
Non Employee Director [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total | 536,764 | 536,764 | ' |
Improbable performace condition [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total | 137,332 | 137,332 | ' |
Consultant [Member] | Award Date November 14, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $6.56 | $6.56 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 80,000 | 80,000 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 160,000 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 371,992 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | ' | 80,000 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value | ' | $5.69 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '5 years | ' |
Officer [Member] | Award Date November 14, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $3.50 | $3.50 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | ' | 117,125 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | 310,482 | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | '10 years | ' |
Officer [Member] | Vesting Year One [Member] | Award Date November 14, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 32,549 | 32,549 | ' |
Officer [Member] | Vesting Year Two [Member] | Award Date November 14, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 41,116 | 41,116 | ' |
Officer [Member] | Vesting Year Three [Member] | Award Date November 14, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 43,460 | 43,460 | ' |
Performance Criteria Date, December 31, 2013 [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Allocated Share-based Compensation Expense | ' | $411,614 | ' |