Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 13 - Related Party Transactions (Details Textual)

v3.20.2

Note 13 - Related Party Transactions (Details Textual) - USD ($)		1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 29, 2020	Feb. 28, 2019	Jan. 31, 2017	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Jun. 30, 2014
Chief Executive Officer [Member]
Deferred Compensation Arrangement with Individual, Compensation Expense						$ 308,000		$ 380,000
Director of Clinical Affairs [Member]
Royalty Expense				$ 61,000	$ 92,000	158,000	$ 292,000
Professional Fees				39,000	39,000	117,000	117,000
Accounts Payable, Related Parties				$ 80,000		$ 80,000		390,000
Milestone China [Member]
Equity Method Investment, Ownership Percentage				40.00%		40.00%			40.00%
Manufacturing Agreement for Handpieces [Member]
Related Party Transaction, Purchases from Related Party	$ 370,260			$ 373,000	549,000	$ 1,200,000	1,100,000
Due to Related Parties, Total				365,000		365,000		$ 943,000
Consulting Services [Member]
Related Party Transaction, Expenses from Transactions with Related Party				25,000	25,000	75,000	75,000
Consulting Services [Member] \| United Systems [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)		285,714
Shares Issued, Price Per Share (in dollars per share)		$ 0.35
Stock Issued During Period, Value, Issued for Services		$ 100,000
Consultant [Member] \| Innovest S.p.A. [Member]
Related Party Transaction, Expenses from Transactions with Related Party				$ 20,000	$ 20,000	$ 60,000	$ 60,000
Consulting Services Agreement, Term (Month)			1 year

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