SEC Filings

Filing date Form Description View
10-Q/A

Amendment to a previously filed 10-Q
0000046080-15-000079.pdf
0000046080-15-000079.rtf
0000046080-15-000079.xls
EX-101.INS - XBRL INSTANCE DOCUMENT
10-Q/A

Amendment to a previously filed 10-Q
0000046080-16-000200.pdf
0000046080-16-000200.rtf
0000046080-16-000200.xls
4/A

Amendment to a previously filed 4
0000046080-04-000024.pdf
0000046080-04-000024.rtf
4/A

Amendment to a previously filed 4
0000046080-04-000025.pdf
0000046080-04-000025.rtf
4/A

Amendment to a previously filed 4
0000046080-04-000032.pdf
0000046080-04-000032.rtf
4/A

Amendment to a previously filed 4
0000046080-04-000038.pdf
0000046080-04-000038.rtf
4/A

Amendment to a previously filed 4
0000046080-04-000039.pdf
0000046080-04-000039.rtf
4/A

Amendment to a previously filed 4
0000046080-04-000040.pdf
0000046080-04-000040.rtf
4/A

Amendment to a previously filed 4
0000046080-04-000041.pdf
0000046080-04-000041.rtf
4/A

Amendment to a previously filed 4
0000046080-04-000079.pdf
0000046080-04-000079.rtf
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