Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation (Tables)

v3.8.0.1
Stock-based compensation (Tables)
9 Months Ended
Sep. 30, 2017
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, 2017 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, 2016
1,117,918

 
$0.79-$5.39
 
$
3.10

 
5.00 years
 
$
1,415,150

Granted
45,000

 
$3.22-$3.72
 
3.35

 
 
 
 
Assumed in merger
156,124

 
$3.15-$30.33

10.35

 
 
 
 
Exercised
(79,543
)
 
$0.79-$2.00
 
1.62

 
 
 
 
Canceled and forfeited
(106,112
)
 
$2.60-$30.33
 
9.67

 
 
 
 
Outstanding, September 30, 2017
1,133,387

 
 $0.79-$25.11
 
$
3.62

 
5.25 years
 
$
484,535

Exercisable, September 30, 2017
883,631

 
 
 
$
3.42

 
 
 
$
201,957

Vested and expected to vest, September 30, 2017
1,095,925

 
 
 
$
3.59

 
 
 
$
605,063