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Stockholders' Equity (Details Textual) (USD $)
 3 Months Ended 6 Months Ended 3 Months Ended 1 Months Ended 6 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended
Jun. 30, 2014
Mar. 31, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Sep. 30, 2016
Dec. 31, 2013
Mar. 31, 2014
Registered Direct Offering [Member]
May 30, 2013
Consultant Plan [Member]
Jun. 30, 2014
Consultant Plan [Member]
Dec. 31, 2013
Consultant Plan [Member]
Feb. 28, 2014
Consultant Plan One [Member]
Mar. 31, 2014
Common Stock [Member]
Jun. 30, 2014
Common Stock [Member]
Feb. 28, 2014
Equity Incentive Plan [Member]
Jan. 30, 2014
Equity Incentive Plan [Member]
Jun. 30, 2014
Equity Incentive Plan [Member]
Mar. 31, 2014
Equity Incentive Plan [Member]
Jun. 30, 2014
Equity Incentive Plan [Member]
Dec. 31, 2013
Equity Incentive Plan [Member]
Mar. 31, 2014
Legal Fees [Member]
Class of Stock [Line Items]                                          
Stock Issued During Period, Value, New Issues               $ 6,500,000                          
Net proceeds from Issuance of Common Stock               5,800,000                          
Warrants Authorized For Issuance To Acquire Common Stock Shares Number       20,313                 20,313                
Exercise Price Of Warrants   $ 10.00                                      
Warrants Authorized For Issuance To Acquire Common Stock Value       92,000                 92,000                
Stock Issued During Period, Value, Issued for Noncash Considerations                                         113,000
Common Stock, Shares Authorized 62,500,000     62,500,000                                  
Issuance costs of initial public offering   800,000                                      
Preferred Stock, Shares Authorized 2,000,000     2,000,000                                  
Share Based Compensation Arrangement By Share Based Payment Award Purchase Price Share Minimum       85.00%                                  
Common Stock, Capital Shares Reserved for Future Issuance 1,075,046     1,075,046                                  
Increase Decrease Of Share Based Compensation Arrangement By Share Based Payment Award Percentage       10.00%                                  
Share-based Compensation Outstanding - Reserved but unissued shares under the Plan 685,310     685,310     565,765     83,662 75,287                    
Declining Repurchase Rights Per Share           $ 0.0001                              
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 925,000     925,000                                  
Declining Repurchase Rights Value 36,000     36,000     44,000                            
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Subject To Repurchase Rights Decline                             14,625            
Stock Issued During Period, Value, Issued For Services                 102,000     72,000                  
Adjustments to Additional Paid in Capital Stock Issued Registered Direct Offering   812,500                                      
Stock Issued In Registered Direct Offering Price Per Share   $ 8.00   $ 8.00                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                             122,880       183,110 175,799  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value                 $ 9.12     $ 10.26     $ 9.90     $ 10.26      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term                             10 years            
Share-Based Compensation 81,000   36,000 162,000 75,000                       45,000   90,000    
Shares Reserved Unissued 206,626     206,626                                  
Selling, General and Administrative Expense, Total 37,000     75,000                                  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition       3 years 1 month 6 days                                  
Placement Agent Fees   488,000                                      
Payments for Placement Agent Legal Fees   75,000                                      
Other Cost and Expense, Operating   44,000                                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period                           3,335   3,335          
Shares Issued, Price Per Share                               $ 4.88          
Stock Issued During Period, Value, Stock Options Exercised       16,000                   0   16,000          
Stock or Unit Option Plan Expense 18,000   36,000 34,000 34,000                                
Stock Option Plan Description                   The Consultant Plan provides for quarterly increases in the available number of authorized shares equal to the lesser of 1% of any new shares issued by the Company during the quarter immediately prior to the adjustment date or such lesser amount as the Board of Directors shall determine.                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number                                 387,893   387,893 317,354  
Stock Granted During Period, Value, Share-Based Compensation, Gross                             $ 721,000     $ 150,000      
Stock Issued During Period, Shares, Issued for Services                 11,250     7,000