v3.22.2.2
STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash flows from operating activities:    
Net loss $ (1,345,000) $ (645,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
PPP loan forgiveness (705,000) (694,000)
(Recovery) Provision for doubtful accounts (218,000) 73,000
Depreciation expense 19,000 132,000
Amortization expense 96,000 95,000
Deferred rent (3,000) 5,000
Stock option compensation expense 245,000  
Unrealized loss on investments 242,000  
Realized (gain) loss on investments 6,000 (459,000)
Changes in operating assets and liabilities    
Accounts receivable (1,090,000) 282,000
Inventories (2,499,000) 60,000
Prepaid expenses and other 348,000 (444,000)
Accounts payable (328,000) (783,000)
Accrued expenses 42,000 162,000
Unearned warranty revenue (16,000) 8,000
Customer deposits 1,819,000 511,000
Net cash used in operating activities (3,387,000) (1,697,000)
Cash flows from investing activities    
Sales of marketable securities 641,000 550,000
Purchases of marketable securities (5,577,000)  
Purchases of property, plant and equipment (20,000) (2,000)
Net cash (used in) provided by investing activities (4,956,000) 548,000
Cash flows from financing activities    
Net proceeds from initial public offering 11,244,000  
Payments on notes payable (1,241,000) (62,000)
Payments on line of credit (590,000) (60,000)
Paycheck Protection Program loan proceeds   698,000
Proceeds from private placement   784,000
Net cash provided by financing activities 9,413,000 1,360,000
Net increase in cash 1,070,000 211,000
Cash, beginning of the year 1,270,000 1,059,000
Cash, end of the year 2,340,000 1,270,000
Non-cash investing and financing activities:    
Deferred IPO costs   246,000
Reclassification of IPO related costs from other assets to equity 1,116,000  
Cash paid during the period:    
Interest $ 40,000 $ 237,000