Basis of Presentation and Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Mar. 31, 2013
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Organization and Basis of Presentation	Organization and Basis of Presentation ThermoGenesis Corp. (the Company, we or our) designs, develops and commercializes enabling technologies for the processing and storage of fractionated cells and blood components for sale to users and companies involved in the development and administration of cell therapies.
Interim Reporting	Interim Reporting The accompanying unaudited condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, certain information and footnote disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such Securities and Exchange Commission (SEC) rules and regulations and accounting principles applicable for interim periods. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Events subsequent to the balance sheet date have been evaluated for inclusion in the accompanying condensed financial statements through the date of issuance. Operating results for the nine month period ended March 31, 2013, are not necessarily indicative of the results that may be expected for the year ending June 30, 2013. These unaudited condensed financial statements should be read in conjunction with the consolidated financial statements and the notes thereto included in the Annual Report on Form 10-K for the fiscal year ended June 30, 2012.
Revenue Recognition	Revenue Recognition Revenues from the sale of our products are recognized when persuasive evidence of an arrangement exists, delivery has occurred (or services have been rendered), the price is fixed or determinable, and collectability is reasonably assured. We generally ship products F.O.B. shipping point. There is no conditional evaluation on any product sold and recognized as revenue. All foreign sales are denominated in U.S. dollars. Amounts billed in excess of revenue recognized are recorded as deferred revenue on the balance sheet. Our sales are generally through distributors. There is no right of return provided for distributors. For sales of products made to distributors, we consider a number of factors in determining whether revenue is recognized upon transfer of title to the distributor, or when payment is received. These factors include, but are not limited to, whether the payment terms offered to the distributor are considered to be non-standard, the distributor history of adhering to the terms of its contractual arrangements with us, the level of inventories maintained by the distributor, whether we have a pattern of granting concessions for the benefit of the distributor, and whether there are other conditions that may indicate that the sale to the distributor is not substantive. We currently recognize revenue primarily on the sell-in method with our distributors. Revenue arrangements with multiple deliverables are divided into units of accounting if certain criteria are met, including whether the deliverable item(s) has (have) value to the customer on a stand-alone basis. Revenue for each unit of accounting is recognized as the unit of accounting is delivered. Arrangement consideration is allocated to each unit of accounting based upon the relative estimated selling prices of the separate units of accounting contained within an arrangement containing multiple deliverables. Estimated selling prices are determined using vendor specific objective evidence of value (VSOE), when available, or an estimate of selling price when VSOE is not available for a given unit of accounting. Significant inputs for the estimates of the selling price of separate units of accounting include market and pricing trends and a customer's geographic location. We account for training and installation, and service agreements as separate units of accounting. Service revenue generated from contracts for providing maintenance of equipment is amortized over the life of the agreement. All other service revenue is recognized at the time the service is completed. Shipping and handling fees billed to customers are included in net revenues, while the related costs are included in cost of revenues.
Fair Value of Financial Instruments	Fair Value of Financial Instruments The carrying values of cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities approximate fair value due to their short duration.
Segment Reporting	Segment Reporting We operate in a single segment providing medical devices and disposables to hospitals and blood banks throughout the world which utilize the equipment to process blood components.
Net Loss per Share	Net Loss per Share Net loss per share is computed by dividing the net loss by the weighted average number of common shares outstanding. The calculation of the basic and diluted net loss per share is the same for all periods presented, as the effect of the potential common stock equivalents is anti-dilutive due to our net loss position for all periods presented. Anti-dilutive securities, which consist of warrants, stock options and common stock restricted awards that were not included in diluted net loss per common share were 2,596,503 and 2,887,567 as of March 31, 2013 and 2012, respectively.
Comprehensive Loss	Comprehensive Loss ASC 220, "Comprehensive Income" establishes standards for the reporting and communication of comprehensive income (loss) and its components in the financial statements. As of March 31, 2013, the Company has no items of other comprehensive income (loss) and, therefore, has not included a schedule of comprehensive income (loss) in the financial statements.
Reclassifications	Reclassifications Certain amounts in the prior year's financial statements have been reclassified to conform with the 2013 presentation. These reclassifications had no effect on previously reported total assets, net loss or stockholders' equity.
Recently Adopted Accounting Pronouncements	Recently Adopted Accounting Pronouncements In June 2011, the FASB issued ASU No. 2011-05, "Presentation of Comprehensive Income." The guidance improves the comparability of financial reporting and facilitates the convergence of U.S. GAAP and IFRS by amending the guidance in ASC 220, "Comprehensive Income". Under the amended guidance, an entity has the option to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. In both choices, the entity is required to present on the face of the financial statements reclassification adjustments for items that are reclassified from other comprehensive income to net income in the statement(s) where the components of net income and the components of other comprehensive income are presented. We adopted this guidance retrospectively for our interim period ending September 30, 2012. The adoption of the guidance did not have a material impact on our financial condition or results of operations.
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements In February 2013, the FASB issued ASC 2013-02, which is an update to improve the reporting of reclassifications out of accumulated other comprehensive income (AOCI). Companies are also required to present reclassifications by component when reporting changes in AOCI balances. The updated accounting guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2012 on a prospective basis. This guidance is not expected to have a material impact on our financial condition or results of operations. In July 2012, the FASB issued ASU 2012-02, which is an update to Topic 350, "Intangibles – Goodwill and Other". This update provides additional guidance in performing impairment tests for indefinite-lived intangible assets by simplifying how an entity tests those assets for impairment. The update allows an entity to make a qualitative assessment about the likelihood that an indefinite-lived intangible asset is impaired to determine whether it should perform a qualitative impairment test. ASU 2012-02 is effective for annual and interim impairment tests performed for fiscal years beginning after September 15, 2012. ASU 2012-02 is not expected to have a material impact on our financial condition or results of operations.