We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Filing information
- CIK
- 0001053691
- Report date
- 2021-12-31
- Filing date
- 2022-03-18
- Form
- 10-K
- Primary document
- dffn20211231_10k.htm
Open primary document
View the filing document on sec.gov.
Open EDGAR directory
Inspect all files for this filing.
Complete submission file
Open the raw SEC submission text.