|9 Months Ended|
Sep. 30, 2015
|Stock Plans [Abstract]|
|Stock Plans [Text Block]||
2. Stock Plans
The following table summarizes the stock-based compensation expense recorded for awards under the stock option plans for the three and nine month periods ended September 30, 2015 and 2014:
No tax benefit was recognized related to stock-based compensation expense since we have incurred operating losses and we have established a full valuation allowance to offset all the potential tax benefits associated with our deferred tax assets.
We use the Black-Scholes-Merton option-pricing model with the following assumptions to estimate the stock-based compensation expense for the three and nine month periods ended September 30, 2015 and 2014:
No options were granted during the three month periods ended September 30, 2015 and 2014.
The following table summarizes option activity for the nine month period ended September 30, 2015:
No shares of restricted stock were awarded to employees, directors and consultants during the three month periods ended September 30, 2015 and 2014.
The following table summarizes restricted stock activity for the nine month period ended September 30, 2015:
As of September 30, 2015, there was approximately $142,000 of unrecognized compensation expense related to non-vested stock options and restricted stock. This expense is expected to be recognized over a weighted-average period of 0.5 years.
The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.
Reference 1: http://www.xbrl.org/2003/role/presentationRef