Revenue Recognition - The Company recognizes revenue when the following four criteria are met: (1) persuasive evidence of an arrangement, (2) delivery has occurred or services have been provided, (3) the sales price is fixed or determinable, and (4) collectability is reasonably assured. Delivery does not occur until products have been shipped or services have been provided to the client and the client has signed a completion and acceptance report, risk of loss has transferred to the client, client acceptance provisions have lapsed, or the Company has objective evidence that the criteria specified in client acceptance provisions have been satisfied. The sales price is not considered to be fixed or determinable until all contingencies related to the sale have been resolved. Hardware: Revenue from hardware sales is generally recognized when the product is shipped to the customer and when there are no unfulfilled company obligations that affect the customer s final acceptance of the arrangement. Software: The Company sells self-developed software. For software sales, the Company recognizes revenues in accordance with ASC Topic 985 - 605  Software Revenue Recognition . Revenue from software is recognized according to project contracts. Contract costs are accumulated during the periods of installation and testing or commissioning. Usually this is short term. Revenue is not recognized until completion of the contracts and receipt of acceptance statements. Service: The Company provides services to improve software function and system operation on separated fixed-price contracts. Revenue is recognized on the completed contract method when acceptance is determined by a completion report signed by the customer. Deferred revenue represents unearned amounts billed to customers related to sales contracts.