An appeal may be taken only from a judgment, or an order determining the making of the contract or submission or the failure to comply therewith. There shall be no appeal from an intermediate order of the court or of a judge in an action under the simplified procedure provisions, except with the permission of the trial or appellate court, but such order or orders may be reviewed on the appeal from a judgment entered under these provisions. A decision of the trial judge on the facts shall be final if there is any substantial evidence to support it.