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Balance Sheets (USD $) In Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 30,243	$ 33,637
Restricted cash and cash equivalents	49,740	52,178
Accounts receivable, net of allowance for doubtful accounts of $31,366 (Restated) and $30,112 at March 31, 2011 and December 31, 2010, respectively	13,972	17,983
Income taxes receivable	2,213	8,415
Deferred income taxes	16,563	16,078
Other current assets	4,578	4,834
Total current assets	117,309	133,125
Property and equipment, net	140,655	123,999
Restricted cash	445	760
Prepaid royalties	6,396	6,579
Goodwill	2,941	2,941
Deferred income taxes	2,487	2,800
Other assets	5,254	4,892
Total assets	275,487	275,096
Current liabilities
Accounts payable	27,072	15,693
Accrued compensation and benefits	15,144	13,633
Accrued liabilities	7,453	9,477
Accrued litigation loss	5,200	5,200
Accrued exit costs	40	64
Income taxes payable	1,223	829
Student deposits	46,127	48,873
Deferred revenue	19,218	15,034
Due to related parties	1,958	10,346
Current portion of capital lease obligations	1,638	1,673
Current portion of notes payable	1,957	2,026
Total current liabilities	127,030	122,848
Capital lease obligations, less current portion	10	151
Other noncurrent liabilities	2,679	2,715
Notes payable, less current portion	21,432	21,881
Total liabilities	151,151	147,595
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.01 par value, 10,000 shares authorized; 0 shares issued and outstanding at March 31, 2011 and December 31, 2010
Common stock, $0.01 par value, 100,000 shares authorized; 45,812 and 45,811 shares issued and 44,817 and 45,761 shares outstanding at March 31, 2011 and December 31, 2010, respectively	458	458
Treasury stock, at cost, 995 and 50 shares of common stock at March 31, 2011 and December 31, 2010, respectively	(14,993)	(782)
Additional paid-in capital	78,961	77,449
Accumulated other comprehensive loss	(392)	(445)
Accumulated earnings	60,302	50,821
Total stockholders' equity	124,336	127,501
Total liabilities and stockholders' equity	$ 275,487	$ 275,096

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at fiscal year-end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, and unrealized gains and losses on certain investments in debt and equity securities as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of APIC associated with common AND preferred stock. For APIC associated with only common stock, use the element Additional Paid In Capital, Common Stock. For APIC associated with only preferred stock, use the element Additional Paid In Capital, Preferred Stock.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date.

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits should not be reported as cash and cash equivalents.

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Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. This caption alerts the reader that one or more notes to the financial statements disclose pertinent information about the entity's commitments and contingencies.

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Dollar value of issued common stock whether issued at par value, no par or stated value. This item includes treasury stock repurchased by the entity. Note: elements for number of common shares, par value and other disclosure concepts are in another section within stockholders' equity.

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The current portion, due within one year or the normal operating cycle, if longer, of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.

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The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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The current portion of the aggregate tax effects as of the balance sheet date of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; after deducting the allocated valuation allowance, if any, to reduce such amount to net realizable value. Deferred tax liabilities and assets shall be classified as current or noncurrent based on the classification of the related asset or liability for financial reporting. A deferred tax liability or asset that is not related to an asset or liability for financial reporting, including deferred tax assets related to carryforwards, shall be classified according to the expected reversal date of the temporary difference. An unrecognized tax benefit that is directly related to a position taken in a tax year that results in a net operating loss carryforward should be presented as a reduction of the related deferred tax asset.

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

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Total of all Liabilities and Stockholders' Equity items.

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Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet due to materiality considerations. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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-Number 210



-Section 02



-Paragraph 17



-Article 5

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- Definition

Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet due to materiality considerations. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 24



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- Definition

Dollar value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) whether issued at par value, no par or stated value. This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

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



-Publisher FASB



-Name Statement of Financial Accounting Standard (FAS)



-Number 129



-Paragraph 2, 3, 4, 5, 6, 7, 8







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-Name Accounting Principles Board Opinion (APB)



-Number 12



-Paragraph 10







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-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3







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



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-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 29



-Article 5

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Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, and production equipment.

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



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 13



-Subparagraph a



-Article 5







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-Name Statement of Financial Accounting Standard (FAS)



-Number 12



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-Name Regulation S-X (SX)



-Number 210



-Section 03



-Paragraph 8



-Article 7

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

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-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 1



-Article 5







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-Publisher AICPA



-Name Audit and Accounting Guide (AAG)



-Number AAG-BRD



-Chapter 4



-Paragraph 80



-Subparagraph Exhibit 4-8, 3



-IssueDate 2006-05-01

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- Definition

Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

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-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 1



-Article 5

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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-Publisher SEC



-Name Staff Accounting Bulletin (SAB)



-Number Topic 5



-Section P



-Subsection 4







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-Name Statement of Financial Accounting Standard (FAS)



-Number 146



-Paragraph 20







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-Publisher FASB



-Name Emerging Issues Task Force (EITF)



-Number 95-3

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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-Publisher AICPA



-Name Accounting Principles Board Opinion (APB)



-Number 12



-Paragraph 10







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-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 31



-Article 5







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-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3

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Total of all Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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



-Publisher AICPA



-Name Accounting Research Bulletin (ARB)



-Number 51



-Paragraph A3



-Appendix A







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-Name Staff Accounting Bulletin (SAB)



-Number Topic 4



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



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-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 29, 30, 31



-Article 5

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- Definition

Value of common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. Treasury stock is issued but is not outstanding. This stock has no voting rights and receives no dividends. Note that treasury stock may be recorded at its total cost or separately as par (or stated) value and additional paid in capital. Note: number of treasury shares concept is in another section within stockholders' equity.

+ References

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



-Publisher FASB



-Name FASB Technical Bulletin (FTB)



-Number 85-6



-Paragraph 3

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