BIOSYNERGY INC Form 10-K/A: Amended annual report
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2019-08-02: Form 10-K/A; Period of report 2019-04-30; Description Annual report; Document bsyn20190430.htm.
- 2016-08-17: Form 10-K/A; Period of report 2016-04-30; Description Annual report; Document bsyn10ka.htm.
- 2013-08-02: Form 10-K/A; Period of report 2013-04-30; Description Annual report; Document bsyn10ka13.htm.
- 2013-07-30: Form 10-K/A; Period of report 2013-04-30; Description XBRL PRESENTATION FILE; Document bsyn10ka13.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2019-08-02 | 10-K/A | 2019-04-30 | Annual report | bsyn20190430.htm |
| 2016-08-17 | 10-K/A | 2016-04-30 | Annual report | bsyn10ka.htm |
| 2013-08-02 | 10-K/A | 2013-04-30 | Annual report | bsyn10ka13.htm |
| 2013-07-30 | 10-K/A | 2013-04-30 | XBRL PRESENTATION FILE | bsyn10ka13.htm |
| 2009-04-23 | 10-K/A | 2008-04-30 | Annual report | bio10ka4.txt |