Quarterly report pursuant to Section 13 or 15(d)

Stock options and warrants (Subsequent Events) (Details)

v2.4.0.8
Stock options and warrants (Subsequent Events) (Details) (Subsequent Event [Member], USD $)
1 Months Ended
May 12, 2014
Subsequent Event [Member]
 
Subsequent Event [Line Items]  
Common stock options exercised, shares 15,342
Weighted-average exercise price per share, exercised $ 2.10
Options exercised $ 32,000