Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information - shares
9 Months Ended
Sep. 30, 2022
Nov. 07, 2022
Document Information [Line Items]    
Entity Central Index Key 0001401040  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2022  
Document Transition Report false  
Entity File Number 001-36291  
Entity Incorporation, State or Country Code A1  
Entity Address, Address Line One 301 Carlson Parkway, Suite 210  
Entity Address, City or Town Minnetonka  
Entity Address, State or Province MN  
Entity Address, Postal Zip Code 55305  
City Area Code 763  
Local Phone Number 312-6755  
Title of 12(b) Security Voting common shares, no par value per share  
Trading Symbol DMAC  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   26,443,067