CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010
Continuing operations:
Net income	$ 9,844	$ 8,711
Adjustments to reconcile net income to net cash used in continuing operations:
Depreciation and amortization	560	566
Non cash share-based payments	1,341	1,281
Non cash expense- extension of expiration date warrant to related party	1,740
Changes in operating assets and liabilities:
Accounts and other receivables	468	876
Prepaid expenses, inventory, and other current assets	733	(162)
Other assets	165	(2,747)
Accounts payable and accrued expenses	21	(1,938)
Deferred revenue	(30,720)	(30,801)
Net cash used in continuing operations	(15,848)	(24,214)
Changes in operating assets and liabilities:
Accounts payable and accrued expenses		(412)
Net cash used in discontinued operations		(412)
Net cash used in operating activities	(15,848)	(24,626)
Cash flows from investing activities:
Purchases of property and equipment	(79)	(98)
Proceeds from sale of investments available for sale	15,805	24,598
Purchases of investments available for sale	(68)	(236)
Net cash provided by investing activities	15,658	24,264
Cash flows from financing activities:
Principal payments on capital lease obligations		(3)
Restricted cash	129	145
Proceeds from the exercise of stock options	22	2
Net cash provided by financing activities	151	144
Net decrease in cash	(39)	(218)
Cash at beginning of period	1,442	1,306
Cash at end of period	$ 1,403	$ 1,088

The net change in the aggregate amount of obligations and expenses incurred but not paid of discontinued operations.

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-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph i

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 19

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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