|
Stockholders' equity (Tables)
|
3 Months Ended |
|
Mar. 31, 2014
|
|
Tecogen
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Schedule of Stock Option Activity |
Stock option activity for the three months ended March 31, 2014 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, 2013 |
1,148,000 |
|
|
$1.20-$4.50 |
|
|
$ |
2.13 |
|
|
5.80 years |
|
|
$ |
2,721,100 |
|
Granted |
43,325 |
|
|
4.50 |
|
|
4.50 |
|
|
— |
|
|
— |
|
Exercised |
5,000 |
|
|
1.20 |
|
|
1.20 |
|
|
— |
|
|
— |
|
Canceled and forfeited |
— |
|
|
— |
|
|
— |
|
|
— |
|
|
— |
|
Expired |
— |
|
|
— |
|
|
— |
|
|
— |
|
|
— |
|
Outstanding, March 31, 2014 |
1,186,325 |
|
|
$1.20-$4.50 |
|
|
$ |
2.22 |
|
|
5.73 years |
|
|
$ |
2,704,600 |
|
Exercisable, March 31, 2014 |
919,250 |
|
|
|
|
$ |
1.90 |
|
|
|
|
$ |
2,387,075 |
|
Vested and expected to vest, March 31, 2014 |
1,186,325 |
|
|
|
|
$ |
2.22 |
|
|
|
|
|
$ |
2,704,600 |
|
|
| Schedule of Restricted Stock Activity |
Restricted stock activity for the three months ended March 31, 2014 as follows:
|
|
|
|
|
|
|
|
|
Number of
Restricted
Stock
|
|
Weighted
Average
Grant Date
Fair Value
|
Unvested, December 31, 2013 |
361,570 |
|
|
$ |
1.31 |
|
Granted |
— |
|
|
— |
|
Vested |
— |
|
|
— |
|
Forfeited |
— |
|
|
— |
|
Unvested, March 31, 2014 |
361,570 |
|
|
$ |
1.31 |
|
|
|
Ilois
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Schedule of Stock Option Activity |
Stock option activity relating to Ilios for the three months ended March 31, 2014 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, 2013 |
575,000 |
|
|
$0.10-$0.50 |
|
|
$ |
0.29 |
|
|
6.44 years |
|
$ |
120,000 |
|
Granted |
— |
|
|
— |
|
|
— |
|
|
|
|
|
Exercised |
— |
|
|
— |
|
|
— |
|
|
|
|
|
Canceled and forfeited |
— |
|
|
— |
|
|
— |
|
|
|
|
|
Expired |
— |
|
|
— |
|
|
— |
|
|
|
|
|
Outstanding, March 31, 2014 |
575,000 |
|
|
$0.10-$0.50 |
|
|
$ |
0.29 |
|
|
6.19 years |
|
$ |
120,000 |
|
Exercisable, March 31, 2014 |
125,000 |
|
|
|
|
|
$ |
0.50 |
|
|
|
|
$ |
— |
|
Vested and expected to vest, March 31, 2014 |
575,000 |
|
|
|
|
|
$ |
0.29 |
|
|
|
|
$ |
120,000 |
|
|
| Schedule of Restricted Stock Activity |
Restricted stock activity for the Ilios awards, for the three months ended March 31, 2014 was as follows:
|
|
|
|
|
|
|
|
|
Number of
Restricted
Stock
|
|
Weighted
Average
Grant Date
Fair Value
|
Unvested, December 31, 2013 |
310,000 |
|
|
$ |
0.10 |
|
Granted |
— |
|
|
— |
|
Vested |
— |
|
|
— |
|
Forfeited |
— |
|
|
— |
|
Unvested, March 31, 2014 |
310,000 |
|
|
$ |
0.10 |
|
|