Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Treasury Stock [Member] |
Total |
| Balance (in shares) at Dec. 31, 2013 |
6,901
|
|
|
|
|
| Balance at Dec. 31, 2013 |
$ 69,000
|
$ 20,291,000
|
$ 65,230,000
|
|
$ 85,590,000
|
| Share-based compensation (in shares) |
20
|
|
|
|
|
| Share-based compensation |
$ 1,000
|
1,118,000
|
|
|
1,119,000
|
| Exercise of stock options net of shares presented for exercise (in shares) |
148
|
|
|
|
|
| Exercise of stock options net of shares presented for exercise |
$ 1,000
|
335,000
|
|
|
336,000
|
| Net share settlement of restricted stock units and stock option tax w/h |
|
(831,000)
|
|
|
(831,000)
|
| Excess tax benefits on share-based compensation |
|
1,219,000
|
|
|
1,219,000
|
| Net income from consolidated operations |
|
|
7,559,000
|
|
7,559,000
|
| Balance (in shares) at Dec. 31, 2014 |
7,069
|
|
|
|
|
| Balance at Dec. 31, 2014 |
$ 71,000
|
22,132,000
|
72,789,000
|
|
94,992,000
|
| Share-based compensation (in shares) |
24
|
|
|
|
|
| Share-based compensation |
|
1,069,000
|
|
|
1,069,000
|
| Exercise of stock options net of shares presented for exercise (in shares) |
77
|
|
|
|
|
| Exercise of stock options net of shares presented for exercise |
$ 1,000
|
357,000
|
|
|
358,000
|
| Net share settlement of restricted stock units and stock option tax w/h |
|
(209,000)
|
|
|
(209,000)
|
| Excess tax benefits on share-based compensation |
|
356,000
|
|
|
356,000
|
| Net income from consolidated operations |
|
|
7,593,000
|
|
7,593,000
|
| Balance (in shares) at Dec. 31, 2015 |
7,140
|
|
|
30
|
|
| Balance at Dec. 31, 2015 |
$ 72,000
|
23,705,000
|
80,382,000
|
$ (587,000)
|
103,572,000
|
| Repurchase of common stock (in shares) |
(30)
|
|
|
30
|
|
| Repurchase of common stock |
|
|
|
$ (587,000)
|
(587,000)
|
| Share-based compensation (in shares) |
33
|
|
|
|
|
| Share-based compensation |
|
1,056,000
|
|
|
1,056,000
|
| Exercise of stock options net of shares presented for exercise (in shares) |
48
|
|
|
|
|
| Exercise of stock options net of shares presented for exercise |
|
529,000
|
|
|
529,000
|
| Net share settlement of restricted stock units and stock option tax w/h |
|
(219,000)
|
|
|
(219,000)
|
| Excess tax benefits on share-based compensation |
|
145,000
|
|
|
145,000
|
| Net income from consolidated operations |
|
|
7,970,000
|
|
7,970,000
|
| Balance (in shares) at Dec. 31, 2016 |
7,212
|
|
|
30
|
|
| Balance at Dec. 31, 2016 |
$ 72,000
|
$ 25,216,000
|
$ 88,352,000
|
$ (587,000)
|
$ 113,053,000
|