|
Stockholders' Equity, Equity Incentive Plans and Warrants (Share-based Compensation Expense) (Details) (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
$ 2,690 |
$ 3,765 |
$ 5,116 |
| Related deferred income tax benefits |
0 |
0 |
0 |
| Share-based compensation expense, net of tax |
2,690 |
3,765 |
5,116 |
|
Stock Options [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
1,924 |
1,508 |
1,434 |
|
Restricted Stock [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
489 |
1,958 |
2,303 |
|
Stock Bonus Plan [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
0 |
0 |
1,005 |
|
Employee Stock Purchase Pan [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
277 |
299 |
374 |
|
Cost of Sales [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
334 |
617 |
828 |
|
Selling and marketing [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
274 |
419 |
540 |
|
Research and development [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
1,054 |
1,705 |
2,200 |
|
General and administrative [Member]
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Share-based compensation expense, gross |
$ 1,028 |
$ 1,024 |
$ 1,548 |