NOTE 11. COMMITMENTS AND CONTINGENCIES

Concentration of risk. We are exposed to risks associated with clients who represent a significant portion of total revenues. For the three months ended March 31, 2020 and 2019, respectively, we had the following client revenue concentration:

Legal proceedings. In the ordinary course of conducting our business, we are, from time to time, involved in various legal proceedings, administrative proceedings, regulatory government investigations and other matters, including those in which we are a plaintiff or defendant, that are complex in nature and have outcomes that are difficult to predict.  An unexpected adverse judgment in any pending litigation could cause a material impact on our business operations, intellectual property, results of operations or financial position.  Unless otherwise expressly stated, we believe costs associated with litigation will not have a material impact on our financial position or liquidity but may be material to the results of operations in any given period and accordingly, no provision for loss has been reflected in the accompanying financial statements related to these matters.