Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.10.0.1
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2018
Tecogen  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Stock Option Activity
Stock option activity for the nine months ended September 30, 2018 was as follows: 
Common Stock Options
Number of
Options
 
Exercise
Price
Per
Share
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Life
 
Aggregate
Intrinsic
Value
Outstanding, December 31, 2017
1,061,552

 
$0.79-$18.15
 
$
3.60

 
4.95 years
 
$
291,449

Granted
297,500

 
$2.30-$4.04
 
$
3.52

 
 
 
 
Exercised
(52,754
)
 
$1.20
 
$
1.20

 
 
 
 
Canceled and forfeited
(72,009
)
 
$2.30-$18.15
 
$
6.70

 
 
 
 
Outstanding, September 30, 2018
1,234,289

 
 $0.79-$10.33
 
$
3.50

 
5.94 years
 
$
422,771

Exercisable, September 30, 2018
819,914

 
 
 
$
3.37

 
 
 
$
396,971

Vested and expected to vest, September 30, 2018
1,172,133

 
 
 
$
3.49

 
 
 
$
418,901