Attached files
| file | filename |
|---|---|
| 8-K - FORM 8-K - SPIRE Corp | spir20151104_8k.htm |
Exhibit 16.1
November 4, 2015
Securities and Exchange Commission
Washington, D.C. 20549
Commissioners:
We have read Spire Corporation’s statements included under Item 4.01 of its Form 8-K filed on November 4, 2015 and we agree with such statements concerning our firm.
RSM US LLP
/s/ RSM US LLP