Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation (Tables)

v3.5.0.2
Stock-based compensation (Tables)
9 Months Ended
Sep. 30, 2016
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, 2016 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, 2015
1,268,200

 
$1.20-$5.39
 
$
3.06

 
6.01 years
 
$
985,578

Granted
187,701

 
$0.79-$4.27
 
3.47

 
 
 
 
Exercised
(125,218
)
 
$1.20-$2.60
 
2.50

 
 
 
 
Canceled and forfeited
(200,525
)
 
$3.39-$4.96
 
3.73

 
 
 
 
Expired

 
 

 
 
 
 
Outstanding, September 30, 2016
1,130,158

 
 $0.79-$5.39
 
$
3.07

 
5.32 years
 
$
1,432,957

Exercisable, September 30, 2016
821,658

 
 
 
$
2.51

 
 
 
$
1,417,032

Vested and expected to vest, September 30, 2016
1,083,883

 
 
 
$
3.01

 
 
 
$
1,430,569