XML 34 R23.htm IDEA: XBRL DOCUMENT v3.21.2
STOCKHOLDERS' EQUITY (Tables)
9 Months Ended
Sep. 30, 2021
STOCKHOLDERS' EQUITY  
Summary of activity for stock options and restricted stock

The following table summarizes the activity for stock options and restricted stock for the nine months ended September 30, 2021:

(in thousands)

Stock Options

Restricted Stock

Equity awards outstanding, beginning of year

2,526

10,785

Changes during the year:

Granted

2,464

Exercised or vested

(53)

(1,106)

Expired or Forfeited

(6)

(150)

Equity awards outstanding, end of period

2,467

11,993

Schedule of compensation cost related to unvested awards

As of September 30, 2021, total compensation cost related to unvested awards not yet recognized and the weighted-average periods over which the awards are expected to be recognized were as follows:

(in thousands)

Stock Options

Restricted Stock

Unrecognized compensation cost

$

523

$

66,962

Expected weighted-average period in years of compensation cost to be recognized

1.0

1.0