XML 21 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.8

CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS |
Summary of components of cash and cash equivalents and short-term investments |
|  | March 31, |  | December 31, |
|  | 2014 |  | 2013 |
Cash and cash equivalents: |  |  |  |  |
Cash |  | $ | 9,196 |  | $ | 12,021 |
Money market funds |  | 369 |  | 7,423 |
Municipal bonds |  | 36 |  | 5,492 |
Total cash and cash equivalents |  | 9,601 |  | 24,936 |
Short-term investments (available-for-sale): |  |  |  |  |
Municipal bonds |  | 1,795 |  | 1,143 |
Total cash and cash equivalents and short-term investments |  | 11,396 |  | 26,079 |

X
- Details
Name: | us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration