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Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities:    
Net loss $ (6,443,715) $ (6,330,766)
Adjustments to reconcile net loss to net cash flows provided by (used in) operating activities:    
Depreciation and amortization expense 4,902,560 4,935,954
Impairment loss on intangible assets 0 3,343,842
Amortization of operating lease right-of-use asset 1,140,738 834,500
Disposal of assets 2,691 20,256
Stock-based compensation 301,895 365,040
Decrease in non-cash contingent consideration (1,460,804) (1,253,840)
Increase in cash surrender value of life insurance policies over premiums paid (139,953) (124,736)
Noncash interest expense 28,313 15,523
Life insurance proceeds (237,089) (346,800)
Net changes in assets and liabilities affecting operating activities:    
Accounts receivable (1,943,290) 3,404,949
Inventories, net 2,408,397 (23,143)
Other current assets and other assets 189,112 65,684
Operating lease liabilities 1,784,089 3,724,174
Accounts payable and other current liabilities (991,359) (1,405,363)
Other long-term liabilities (153,771) (1,131,453)
Net cash provided by (used in) operating activities (612,186) 6,093,821
Cash flows from investing activities:    
Additions to property and equipment (66,461) (281,268)
Additions to intangible assets (113,253) (171,783)
Life insurance policy proceeds received 237,556 347,356
Net cash provided by (used in) investing activities 57,842 (105,695)
Cash flows from financing activities:    
Borrowings on line of credit 38,488,920 31,475,000
Payments on line of credit (35,996,894) (34,890,856)
Payments made in connection with repurchase of common shares (579,049) (740,533)
Cash settlement of contingent consideration (1,716,073) (3,268,083)
Net cash provided by (used in) financing activities 196,904 (7,424,472)
Net decrease in cash and cash equivalents (357,440) (1,436,346)
Cash and cash equivalents, beginning of year 18,321,624 19,757,970
Cash and cash equivalents, end of year 17,964,184 18,321,624
Net cash paid during the year for:    
Interest 569,230 647,137
Income taxes 15,000 108,823
Total cash paid included in measurement of lease liability 863,320 804,818
Noncash investing and financing activities:    
Change in unpaid invoices for intangible asset additions 530 (51,895)
Change in unpaid invoices for offering costs (69,701) 69,001
Lease liability obtained from right-of-use assets $ 128,039 $ 1,158,367