v3.25.2
Condensed Consolidated Statements of Cash Flows - USD ($)
 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Cash flows from operating activities:    
Net income $ 9,912,000 $ 10,548,000
Adjustments to reconcile net income to cash provided by operating activities:    
Unrealized (gain) loss on marketable securities 225,000 (1,151,000)
Deferred income taxes (59,000) 265,000
Unrecognized tax benefits 402,000 0
Depreciation and amortization 1,206,000 1,328,000
Changes in operating assets and liabilities:    
Accounts receivable (3,175,000) (3,291,000)
Contract assets 4,959,000 (961,000)
Marketable securities (1,703,000) (1,491,000)
Inventories 8,670,000 7,795,000
Prepaid expenses and other current assets 1,511,000 953,000
Accounts payable 1,551,000 (325,000)
Contract liabilities 2,796,000 0
Customer deposits 532,000 1,130,000
Accrued expenses 421,000 (1,240,000)
Total adjustments 17,336,000 3,012,000
Cash flows provided by operating activities 27,248,000 13,560,000
Cash flows from investing activities:    
Capital expenditures (460,000) (378,000)
Cash flows used in investing activities (460,000) (378,000)
Net increase in cash and cash equivalents 26,788,000 13,182,000
Cash and cash equivalents at:    
Beginning of period 25,482,000 17,031,000
End of period 52,270,000 30,213,000
Non-cash investing and financing activities:    
Right-of-use assets obtained in exchange for operating lease liabilities $ 370,000 $ 361,000