|
Accounts Receivable (Allowance) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Allowance for Doubtful Accounts Receivable [Roll Forward] | ||||
| Balance, beginning of period | $ 154 | $ 242 | $ 52 | $ 268 |
| Provisions for losses on accounts receivables | 19 | (7) | 121 | (7) |
| Accounts receivable written off, net of recoveries | 0 | (3) | 0 | (28) |
| Balance, end of period | $ 173 | $ 232 | $ 173 | $ 232 |