Note 1 - Basis of Presentation	3 Months Ended
Mar. 31, 2015
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	NOTE 1. - BASIS OF PRESENTATION Company Background Interphase Corporation and its subsidiaries (“Interphase” or the “Company”) is a diversified information and communications technology company, committed to innovation through the process of identifying, developing and introducing new products and services. The Company offers products and services from embedded computing solutions, engineering design services, and contract manufacturing services to a new line of embedded computer vision products. Embedded solutions include communications networking products for connectivity, interworking and packet processing. Clients for this product line include Alcatel-Lucent, GENBAND, Hewlett Packard, and Samsung. The engineering design and manufacturing services serve a wide variety of industries within the electronics market, from machine-to-machine (“M2M”) and Internet of Things (“IoT”) designs utilizing Cellular, GPS and Wi-Fi tracking solutions to cost-saving redesigns for manufacturability. Interphase Productization services provide customers with the full suite of rapid design and manufacturing services required to quickly take a project from design concept to full production in the marketplace. The penveu® product line, from the embedded computer vision line of business, addresses both the education and enterprise markets. penveu® is a handheld device that adds interactivity to projectors and large screen displays, turning flat surfaces into an interactive display. Founded in 1974, the Company is located in Carrollton, Texas, with sales offices in the United States and Europe. See Note 8 for information regarding the Company’s revenues related to North America and foreign regions. Management’s Plans The Company has incurred recurring losses, including a loss of $1.5 million during the three months ended March 31, 2015, has an accumulated deficit of $45.9 million as of March 31, 2015 and has used $1.3 million in net cash from operating activities for the three months ended March 31, 2015. These factors, among others, have resulted in management taking steps to reduce costs through restructuring activities and to engage in various capital generating initiatives. Increased revenue generation from penveu is critical to the Company’s future success and management’s plans and activities are focused on generating the necessary capital to allow penveu to be a success in the market. If the Company is unable to achieve sufficient near-term revenue growth, the Company could be required to make near-term decisions to provide the liquidity needed to fund marketing and product launch activities related to the introduction of penveu. However, there can be no assurance that management will be able to successfully generate sufficient capital through these activities, nor that management will be successful in commercializing existing and new product and service offerings. Basis of Presentation The accompanying condensed consolidated financial statements include the accounts of Interphase Corporation and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated. While the accompanying condensed consolidated financial statements are unaudited, they have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission. In the opinion of the Company, all material adjustments and disclosures necessary to fairly present the results of such periods have been made. All such adjustments are of a normal, recurring nature. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission. Operating results for the three months ended March 31, 2015 are not necessarily indicative of the results that may be expected for the year ending December 31, 2015. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2014.

NOTE 1. - BASIS OF PRESENTATION

Company Background

Interphase Corporation and its subsidiaries (“Interphase” or the “Company”) is a diversified information and communications technology company, committed to innovation through the process of identifying, developing and introducing new products and services. The Company offers products and services from embedded computing solutions, engineering design services, and contract manufacturing services to a new line of embedded computer vision products.

Embedded solutions include communications networking products for connectivity, interworking and packet processing. Clients for this product line include Alcatel-Lucent, GENBAND, Hewlett Packard, and Samsung.

The engineering design and manufacturing services serve a wide variety of industries within the electronics market, from machine-to-machine (“M2M”) and Internet of Things (“IoT”) designs utilizing Cellular, GPS and Wi-Fi tracking solutions to cost-saving redesigns for manufacturability. Interphase Productization services provide customers with the full suite of rapid design and manufacturing services required to quickly take a project from design concept to full production in the marketplace.

The penveu® product line, from the embedded computer vision line of business, addresses both the education and enterprise markets. penveu® is a handheld device that adds interactivity to projectors and large screen displays, turning flat surfaces into an interactive display.

Founded in 1974, the Company is located in Carrollton, Texas, with sales offices in the United States and Europe. See Note 8 for information regarding the Company’s revenues related to North America and foreign regions.

Management’s Plans

The Company has incurred recurring losses, including a loss of $1.5 million during the three months ended March 31, 2015, has an accumulated deficit of $45.9 million as of March 31, 2015 and has used $1.3 million in net cash from operating activities for the three months ended March 31, 2015. These factors, among others, have resulted in management taking steps to reduce costs through restructuring activities and to engage in various capital generating initiatives. Increased revenue generation from penveu is critical to the Company’s future success and management’s plans and activities are focused on generating the necessary capital to allow penveu to be a success in the market. If the Company is unable to achieve sufficient near-term revenue growth, the Company could be required to make near-term decisions to provide the liquidity needed to fund marketing and product launch activities related to the introduction of penveu. However, there can be no assurance that management will be able to successfully generate sufficient capital through these activities, nor that management will be successful in commercializing existing and new product and service offerings.

Basis of Presentation

The accompanying condensed consolidated financial statements include the accounts of Interphase Corporation and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated. While the accompanying condensed consolidated financial statements are unaudited, they have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission. In the opinion of the Company, all material adjustments and disclosures necessary to fairly present the results of such periods have been made. All such adjustments are of a normal, recurring nature. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission. Operating results for the three months ended March 31, 2015 are not necessarily indicative of the results that may be expected for the year ending December 31, 2015. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2014.