Note 6 - Debt (Details Textual) - USD ($) $ in Thousands	Oct. 31, 2024	Mar. 28, 2024	Apr. 22, 2021	Feb. 29, 2020	Feb. 13, 2020	Apr. 22, 2019	Jan. 22, 2019	Dec. 04, 2018	Nov. 05, 2018	Jul. 27, 2018	Feb. 06, 2018	Aug. 30, 2017	Mar. 14, 2017	Dec. 31, 2016	Sep. 02, 2016	Jul. 21, 2016	Mar. 21, 2016	Jan. 28, 2016	Feb. 06, 2015	Jan. 22, 2015	Nov. 13, 2014	Sep. 30, 2024	Dec. 31, 2023	Mar. 08, 2017	Feb. 04, 2015
Debt Instrument [Line Items]
Long-term Debt, Total																						$ 92,998	$ 93,637
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)																						2,000,000	4,500,000
Midcap Funding X Trust [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.75%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)															500,000
Debt Instrument, Description of Variable Rate Basis															LIBOR
Debt Instrument, Basis Spread on Variable Rate															5.00%
Debt Instrument, Term (Year)		6 months	3 years																	3 years
Line of Credit Facility, Maximum Borrowing Capacity						$ 12,000	$ 5,000								$ 17,000					$ 15,000
Line of Credit Facility, Potential Maximum Borrowing Capacity																				$ 20,000
Percentage of Unused Line Fee Per Month															0.50%
Percentage of Management Fee Per Month															1.20%
Line of Credit Facility, Expiration Period (Year)						2 years
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.375%
Debt Instrument, Fee Amount																						$ 301
Long-term Line of Credit, Total																						2,041
Debt Instrument, Maturity Date		Oct. 31, 2024					Apr. 22, 2019
Midcap Funding X Trust [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 125
Debt Instrument, Term (Year)	3 months
Debt Instrument, Maturity Date	Jan. 31, 2025
Midcap Funding X Trust [Member] | Minimum [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 25
Midcap Funding X Trust [Member] | Maximum [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 100
Related Party August 2017 Note Payable to Great Harbor LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Total																						$ 3,000	$ 3,000
Minimum Liquidity											$ 1,000
Great Harbor Capital, LLC [Member] | November 2018 GH Note [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									8.50%
Debt Instrument, Face Amount									$ 4,000
Debt Instrument, Maturity Date									Oct. 22, 2021
Golisano Holdings LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																			12.00%	12.00%	12.00%			8.00%
Debt Instrument, Face Amount																			$ 1,999
Proceeds from Notes Payable, Total																				$ 5,000	$ 8,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)																					4,960,740
Debt Instrument, Maturity Date																			Oct. 22, 2021	Oct. 22, 2021	Oct. 22, 2021
Number of Warrants Expired					434,809
Golisano Holdings LLC [Member] | Warrants Issued on January 22, 2015 [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)																				2,329,400
Golisano Holdings LLC [Member] | Warrants issued on February 04, 2015 [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)																									434,809
Golisano Holdings LLC [Member] | Warrants issued on February 06, 2015 [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)												869,618
Notes Payable, Other Payables [Member] | Great Harbor Capital, LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										8.50%	8.50%	8.50%		8.50%			8.50%	8.50%
Debt Instrument, Face Amount											$ 2,000	$ 3,000		$ 2,500			$ 7,000	$ 2,500
Debt Instrument, Periodic Payment, Principal																	$ 292	$ 104
Proceeds from Notes Payable, Total										$ 5,000
Debt Instrument, Maturity Date										Oct. 22, 2021	Oct. 22, 2021	Oct. 22, 2021		Oct. 22, 2021			Oct. 22, 2021	Oct. 22, 2021
Notes Payable, Other Payables [Member] | Little Harbor [Member]
Debt Instrument [Line Items]
Long-term Debt, Total											$ 3,267
Debt Instrument, Interest Rate, Stated Percentage											8.50%
Debt Instrument, Maturity Date											Oct. 22, 2021
Related Party Debt July 2016 Note Payable to Little Harbor LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																8.50%
Debt Instrument, Face Amount																$ 4,770
Debt Instrument, Maturity Date																Oct. 22, 2021
Unsecured Promissory Note [Member] | Great Harbor Capital, LLC [Member] | February 2020 GH Note [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				8.00%
Debt Instrument, Face Amount				$ 2,500
Debt Instrument, Maturity Date				Oct. 22, 2021
Unsecured Promissory Note [Member] | Golisano Holdings LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage													8.50%	8.50%			8.50%	8.50%
Debt Instrument, Face Amount													$ 3,267	$ 2,500			$ 7,000	$ 2,500
Debt Instrument, Maturity Date													Oct. 22, 2021	Oct. 22, 2021				Oct. 22, 2021
Unsecured Promissory Note [Member] | Golisano Holdings LLC [Member] | Golisano LLC February 2020 Note [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				8.00%
Debt Instrument, Face Amount				$ 2,500
Debt Instrument, Maturity Date				Oct. 22, 2021
Unsecured Delayed Draw Promissory Note [Member] | Golisano Holdings LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																8.50%
Debt Instrument, Face Amount																$ 4,770
Debt Instrument, Maturity Date																Oct. 22, 2021
Secured Debt [Member] | Golisano Holdings LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage											8.50%
Debt Instrument, Face Amount											$ 2,000
Debt Instrument, Maturity Date											Oct. 22, 2021
Secured Debt [Member] | Macatawa Bank [Member] | White Bay Capital, LLLP [Member]
Debt Instrument [Line Items]
Equity Method Investment, Ownership Percentage																						10.00%
Term Loan [Member] | Macatawa Bank [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount								$ 15,000
Debt Instrument, Basis Spread on Variable Rate								1.05%
Debt Instrument, Interest Rate After Maturity of Event of Default Spread								3.00%
Debt Instrument, Maturity Date								Nov. 30, 2022
Term Loan [Member] | Macatawa Bank [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period								2.50%