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Accounting for Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Accounting for Stock-Based Compensation  
Summary of option activity under the company's employee stock option plan

 

 

Options 

 

Shares

 

Weighted-
Average
Exercise
Price

 

Weighted-
Average
Remaining
Contractual
Term

 

Aggregate
Intrinsic
Value

 

Outstanding at beginning of year

 

48,509

 

$

2.68

 

 

 

 

 

Granted

 

22,512

 

$

0.76

 

 

 

 

 

Exercised

 

 

$

 

 

 

 

 

Expired or forfeited

 

 

$

 

 

 

 

 

Outstanding at end of period

 

71,021

 

$

2.07

 

4.5

 

$

 

Options exercisable at end of period

 

46,021

 

 

 

4.5

 

$

 

Weighted-average fair value of options granted during the year

 

$

0.63