XML 28 R33.htm IDEA: XBRL DOCUMENT
v2.4.1.9

INVESTMENT SECURITIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Investments |
Schedule of amortized cost and estimated fair values of available-for-sale securities by balance sheet classification |
As of December 31, 2014 |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Municipal obligations |  | $ | 100 |  | $ | 1 |  | $ | — |  | $ | 101 |
U.S. government securities funds |  | 1,791 |  | — |  | (15 | ) | 1,776 |
Equity securities |  | 227 |  | 454 |  | (12 | ) | 669 |
Total short-term investment securities |  | $ | 2,118 |  | $ | 455 |  | $ | (27 | ) | $ | 2,546 |
As of December 31, 2013 |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Municipal obligations |  | $ | 403 |  | $ | 12 |  | $ | — |  | $ | 415 |
U.S. government securities funds |  | 997 |  | — |  | (14 | ) | 983 |
Equity securities |  | 227 |  | 386 |  | (5 | ) | 608 |
Total short-term investment securities |  | $ | 1,627 |  | $ | 398 |  | $ | (19 | ) | $ | 2,006 |

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

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration