Annual report pursuant to Section 13 and 15(d)

QUARTERLY FINANCIAL SUMMARY (Unaudited) - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Details)

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QUARTERLY FINANCIAL SUMMARY (Unaudited) - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2024
Jun. 30, 2023
 [2],[3],[4]
Jun. 30, 2022
 [2],[3]
Jun. 30, 2021
Balance, as restated, December 31, 2021 $ 4,401,000 $ 4,811,000 $ 6,723,000 $ 8,360,000 $ 9,947,000 $ 12,112,000 $ 18,328,000 $ 23,563,000 $ 12,048,000 [1]        
Balance, shares 16,532,275     16,029,478     15,987,502            
Adjustments $ (1,967,000) (328,000) (1,836,000) $ (513,000) (1,472,000) (2,044,000) $ (3,597,000) (4,933,000) 11,748,000        
Balance, as restated, March 31, 2022 $ 2,069,000 $ 4,401,000 4,811,000 $ 7,805,000 $ 8,360,000 9,947,000 $ 14,587,000 $ 18,328,000 23,563,000        
Balance, shares 16,599,683 16,532,275   16,156,432 16,029,478   15,992,080 15,987,502          
Stockholders equity $ 97,468,000 $ 94,463,000 93,567,000 $ 89,179,000 $ 87,692,000 85,896,000 $ 80,798,000 $ 76,904,000 71,526,000 $ 99,712,000 $ 91,379,000 $ 83,636,000  
Revision of Prior Period, Reclassification, Adjustment [Member]                          
Adjustments (365,000) (82,000) (76,000) (42,000) (115,000) (121,000) (144,000) (302,000) (233,000)        
Stockholders equity 3,347,000 2,982,000 2,900,000 2,100,000 2,058,000 1,943,000 1,637,000 1,493,000 1,191,000   $ 2,824,000 $ 1,822,000  
Common Stock [Member]                          
Balance, as restated, December 31, 2021 17,000 $ 16,000 $ 16,000 16,000 $ 16,000 $ 16,000 16,000 $ 16,000 $ 14,000 [1]        
Balance, shares   16,478,237 16,462,215   15,998,336 15,996,658   15,987,502 13,652,164 [5]        
Adjustments $ 1,000 $ 2,000        
Balance, shares 67,408 54,038 16,022 126,954 31,142 1,678 4,578 2,335,338        
Balance, as restated, March 31, 2022 $ 17,000 $ 17,000 $ 16,000 $ 16,000 $ 16,000 $ 16,000 $ 16,000 $ 16,000 $ 16,000        
Balance, shares     16,478,237     15,998,336     15,987,502        
Common Stock [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]                          
Balance, shares                    
Adjustments        
Additional Paid-in Capital [Member]                          
Balance, as restated, December 31, 2021 98,847,000 98,362,000 98,086,000 96,036,000 95,827,000 95,732,000 95,217,000 95,073,000 79,197,000 [1]        
Adjustments 673,000 485,000 276,000 932,000 209,000 95,000 152,000 144,000 15,876,000        
Balance, as restated, March 31, 2022 99,520,000 98,847,000 98,362,000 96,968,000 96,036,000 95,827,000 95,369,000 95,217,000 95,073,000        
Additional Paid-in Capital [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]                          
Adjustments        
Retained Earnings [Member]                          
Balance, as restated, December 31, 2021 (94,463,000) (93,567,000) (91,379,000) (87,692,000) (85,896,000) (83,636,000) (76,905,000) (71,526,000) (67,163,000) [1]        
Adjustments (2,640,000) (814,000) (2,112,000) (1,445,000) (1,681,000) (2,139,000) (3,749,000) (5,077,000) (4,130,000)        
Balance, as restated, March 31, 2022 (97,468,000) (94,463,000) (93,567,000) (89,179,000) (87,692,000) (85,896,000) (80,798,000) (76,905,000) (71,526,000)        
Retained Earnings [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]                          
Balance, as restated, December 31, 2021                 958,000        
Adjustments $ (365,000) $ (82,000) $ (76,000) $ (42,000) $ (115,000) $ (121,000) $ (144,000) $ (302,000) $ (233,000)        
Stockholders equity                         $ 958,000
[1] June 30, 2021 total shareholders’ equity, as restated, reflects the impact of restatement adjustments related to periods prior to the year ended June 30, 2022. The impact of restatement is a decrease of $958,000
[2] Inventories. The Company did not properly evaluate its calculation of its excess and obsolescence reserve on its finished goods and raw materials inventories, resulting in an overstatement of inventories and an understatement of cost of sales. In addition, certain inventory components were not properly recorded at the lower of cost or net realizable value, resulting in an overstatement of inventory and an understatement of cost of sales. Further, certain loaner service packs and consigned inventory were not reconciled timely, resulting in an overstatement of inventory and an understatement of cost of sales. Lastly, the Company also corrected the cash flow presentation related to inventory write downs on the statement of cash flows.
[3] Other. The Company had various clearing accounts that were not reconciled in a timely manner, resulting in misstatements of accounts payable, inventories and cost of sales.
[4] Revenue. The Company did not properly recognize revenue in the periods which the related performance obligations were satisfied for a certain contract with a customer. Additionally, the Company improperly recorded accounts receivable from the same contract with a customer as a reduction to its accounts payable owed to the customer prior to the right of offset conditions under ASC 210-20 being met. As a result, revenues, accounts receivable, and accounts payable were misstated.
[5] June 30, 2021 total shareholders’ equity, as restated, reflects the impact of restatement adjustments related to periods prior to the year ended June 30, 2022. The impact of restatement is a decrease of $958,000 to accumulated deficit at June 30, 2021.