XML 33 R23.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Financial Instruments (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Financial Instruments [Abstract] |
Summary Of Financial Instruments Measured At Fair Value |
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |
﻿September 30, 2017 | Level 1 |  | Level 2 |  | Level 3 |  | Total
﻿Cash equivalents: |  |  |  |  |  |  |  |  |  |  |
﻿Money market funds | $ | 371 |  | $ | -- |  | $ | -- |  | $ | 371
﻿Restricted securities: |  |  |  |  |  |  |  |  |  |  |
﻿Money market funds |  | 771 |  |  | -- |  |  | -- |  |  | 771
﻿Total assets | $ | 1,142 |  | $ | -- |  | $ | -- |  | $ | 1,142
﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿December 31, 2016 | Level 1 |  | Level 2 |  | Level 3 |  | Total
﻿Cash equivalents: |  |  |  |  |  |  |  |  |  |  |
﻿Money market funds | $ | 3,466 |  | $ | -- |  | $ | -- |  | $ | 3,466
﻿Restricted securities: |  |  |  |  |  |  |  |  |  |  |
﻿Money market funds |  | 699 |  |  | -- |  |  | -- |  |  | 699
﻿Total assets | $ | 4,165 |  | $ | -- |  | $ | -- |  | $ | 4,165
﻿

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75026489&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration