Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

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Stockholders' Equity (Details Textual) (USD $)
 6 Months Ended 1 Months Ended 6 Months Ended 0 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Oct. 31, 2008
2008 Equity Incentive Plan [Member]
Jun. 30, 2013
2008 Equity Incentive Plan [Member]
Jun. 30, 2013
2010 Incentive Award Plan [Member]
Dec. 31, 2010
2010 Incentive Award Plan [Member]
Apr. 23, 2012
Amended and Restated DSC Incentive Award Plan [Member]
Jun. 30, 2013
Warrants [Member]
Dec. 31, 2012
Warrants [Member]
Stockholders' Equity (Textual)                    
Maximum term of stock option from the date of grant       10 years            
Options outstanding         3,075,938 3,157,054     28,642 28,642
Description of consistency of material terms of options granted         Outstanding Equity Awards at Fiscal Year-End December 31, 2011", including 5 year graded vesting schedules and exercise prices equal to the fair market value of our common stock on the date of grant.          
Reserved shares of common stock for issuance             2,000,000      
Shares available for future grants           857,101        
Amount of annual contribution per employee               $ 100,000    
Common stock, par value $ 0.001   $ 0.001              
Authorized capital stock, shares 260,000,000                  
Common stock, shares authorized 250,000,000   250,000,000              
Series A, preferred stock, shares authorized 10,000,000   10,000,000              
Series A, preferred stock, par value $ 0.001   $ 0.001              
Total unrecognized compensation expense 319,000                  
Share-based compensation expense for options $ 116,250 $ 50,568                
Weighted average period expected to recognized compensation expense (in years) 2 years