2 unchanged sentences
Evaluation of Disclosure Controls and Procedures
−Removed: As of June 30, 2021, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures.
+Added: As of September 30, 2021, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures.
Based on the foregoing, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report.
Changes in Internal Control over Financial Reporting
−Removed: There have been no changes in our internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during our most recently completed fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.
+Added: During the three months ended September 30, 2021, we implemented a new human resources information and payroll system, which is considered to be a key system as part of our internal controls over financial reporting. We continued to integrate the software with our processes, systems, and controls in the quarter ended September 30, 2021.  There were no other changes during the quarter ended September 30, 2021 in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that have materially affected or are reasonably likely to materially affect our internal control over financial reporting. 
Other Information
2 unchanged sentences
within Item 1.
−Removed: Financial Statements.
−Removed: for information regarding any legal proceedings in which we may be involved.
+Added: Financial Statements  for information regarding any legal proceedings in which we may be involved.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.