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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2015
Equity [Abstract]  
Schedule of Common Stock Shares Issued

During the six months ended June 30, 2015, we issued shares of common stock as follows:

 

 

 

Common Stock

 

 

 

Shares

 

 

Amount

 

Shares issued for vested restricted stock units

 

 

56,500

 

 

$

 

Shares issued for Employee Stock Purchase Plan options

 

 

57,134

 

 

 

60,705

 

 

 

 

113,634

 

 

$

60,705

 

 

During the six months ended June 30, 2014, we issued shares of common stock as follows:

 

 

 

Common Stock

 

 

 

Shares

 

 

Amount

 

Sale of common stock and warrants

 

 

1,192,500

 

 

$

2,385,000

 

Shares issued upon conversion of note

 

 

23,201

 

 

 

29,001

 

Common stock issued for services

 

 

20,408

 

 

 

50,000

 

 

 

 

1,236,109

 

 

$

2,464,001

 

 

Summary Of Warrant Activity

The following table summarizes the warrants issued and outstanding as of June 30, 2015:

 

Warrants Issued and Outstanding as of June 30, 2015

 

 

 

Date of

 

Exercise

 

 

Shares of

 

Description

 

Issuance

 

Expiration

 

Price

 

 

Common Stock

 

Exercisable warrants

 

 

 

 

 

 

 

 

 

 

 

 

Warrants

 

04/18/2014

 

04/01/2017

 

$

2.00

 

 

 

1,441,000

 

Warrant

 

05/07/2014

 

05/07/2017

 

$

2.65

 

 

 

200,000

 

Warrant

 

05/28/2014

 

10/31/2016

 

$

4.31

 

 

 

450,000

 

Warrants

 

09/24/2014

 

09/24/2019

 

$

2.50

 

 

 

9,000,000

 

Warrants

 

10/20/2014

 

10/20/2019

 

$

2.50

 

 

 

700,000

 

Total exercisable warrants

 

 

 

 

 

 

 

 

 

 

11,791,000

 

Contingent warrants

 

 

 

 

 

 

 

 

 

 

 

 

Warrants

 

05/28/2014

 

10/31/2018

 

$

4.31

 

 

 

1,200,000

 

Less warrants cancelled

 

 

 

 

 

 

 

 

 

 

(1,200,000

)

Total contingent warrants

 

 

 

 

 

 

 

 

 

 

 

Total warrants issued and outstanding

 

 

 

 

 

 

11,791,000

 

 

Summary of Stock Option Activity

Stock Options – The following table summarizes the stock option activity for the six month period ended June 30, 2015:

 

 

 

Stock Options

 

 

 

 

 

 

 

 

 

Weighted-

 

 

 

 

 

 

 

Exercise

 

Average

 

 

 

Number

 

 

Price Per

 

Exercise Price

 

 

 

of Shares

 

 

Share

 

Per Share

 

Outstanding at December 31, 2014

 

 

5,006,532

 

 

$    1.45 — 3.75

 

$

2.66

 

Granted

 

 

145,625

 

 

$    1.11 — 1.46

 

$

1.25

 

Canceled/Forfeited

 

 

(111,084

)

 

$    1.45 — 2.10

 

$

2.04

 

Outstanding at June 30, 2015

 

 

5,041,073

 

 

$    1.11 — 3.75

 

$

2.56