What changed 10-K

Item 2. Properties

2021-04-05 compared with 2020-05-14 · 2 added, 2 removed, 3 unchanged (57% of the section changed)

2 unchanged sentences

Such lease in Corsicana, Texas expires March 31, 2024.

We also lease approximately 500 square feet of office space in Grand Forks, North Dakota which is primarily used for research and development activities.

Such lease currently expires August 31, 2020, which shall automatically extend an additional year and on a year to year basis thereafter unless either landlord or tenant otherwise terminates.

We also previously leased approximately 500 square feet of office space in Grand Forks, North Dakota which was primarily used for research and development activities.

Such lease which expired August 31, 2020 was not renewed by us, and our research and development activities are now performed by us elsewhere.

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.