|
Subsequent Events (Details) (USD $)
|
0 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended | |||
|---|---|---|---|---|---|---|---|
|
Sep. 18, 2013
|
Apr. 30, 2014
Maximum
|
Jun. 06, 2014
Subsequent events
|
Jun. 09, 2014
Subsequent events
|
Jun. 06, 2014
Subsequent events
Warrants issued with June 2014 Public Offering
|
Jun. 06, 2014
Subsequent events
Warrants issued with June 2014 Public Offering
Placement Agents
|
Jun. 06, 2014
Subsequent events
Warrants issued with June 2014 Public Offering
Maximum
Placement Agents
|
|
| Subsequent events | |||||||
| Proceeds from exercise of warrants and stock options | $ 1,850,000 | ||||||
| Shares issued in offering | 47,792,000 | 22,535,212 | |||||
| Aggregate number of shares of common stock the warrants can purchase | 7,887,325 | ||||||
| Gross proceeds from issuance of common stock and warrants | 11,950,000 | 16,000,000 | |||||
| Exercise price of warrants (in dollars per share) | $ 1.20 | $ 0.90 | |||||
| Term of warrants | 5 years | ||||||
| Net, proceeds from issuance of common stock and warrants | $ 11,100,000 | $ 14,900,000 | |||||
| Placement agent and financial advisory services fees as a percentage of the offering proceeds | 6.00% | ||||||
| Non-accountable expense allowance as a percentage of gross proceeds of offering | 1.00% | ||||||
| Percentage of warrants issued to placement agents | 6.00% | ||||||
| Warrants issued to placement agents (in shares) | 1,352,113 | ||||||