| CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)$ in Thousands
 | Total | Series B Preferred Stock | Series E Preferred Stock | Common Stock | Paid-In Capital | Series E Preferred Stock Treasury Stock | Common Stock Treasury Stock | Retained Earnings (Deficit) | Non-controlling Interest | 
| Beginning balance, value at Sep. 30, 2020 | $ 43,672 |  |  | $ 2 | $ 64,472 | $ (7) | $ (4,098) | $ (16,429) | $ (268) | 
| Beginning balance, shares at Sep. 30, 2020 |  | 214,244 | 47,840 | 1,589,101 |  |  |  |  |  | 
| Warrant exercise, shares |  | 101,546 |  |  |  |  |  |  |  | 
| Stock based compensation | 17 |  |  |  | 17 |  |  |  |  | 
| Purchase of common treasury stock | (383) |  |  |  |  |  | (383) |  |  | 
| Purchase of common treasury stock, shares |  |  |  | (33,926) |  |  |  |  |  | 
| Net income | 5,279 |  |  |  |  |  |  | 5,413 | (134) | 
| Ending balance, value at Dec. 31, 2020 | 48,585 |  |  | $ 2 | 64,489 | (7) | (4,481) | (11,016) | (402) | 
| Ending balance, shares at Dec. 31, 2020 |  | 315,790 | 47,840 | 1,555,175 |  |  |  |  |  | 
| Beginning balance, value at Sep. 30, 2020 | 43,672 |  |  | $ 2 | 64,472 | (7) | (4,098) | (16,429) | (268) | 
| Beginning balance, shares at Sep. 30, 2020 |  | 214,244 | 47,840 | 1,589,101 |  |  |  |  |  | 
| Net income | 23,907 |  |  |  |  |  |  |  |  | 
| Ending balance, value at Jun. 30, 2021 | 67,581 |  |  | $ 2 | 64,883 | (7) | (4,507) | 7,656 | (446) | 
| Ending balance, shares at Jun. 30, 2021 |  | 315,790 | 47,840 | 1,570,834 |  |  |  |  |  | 
| Beginning balance, value at Sep. 30, 2020 | $ 43,672 |  |  | $ 2 | 64,472 | (7) | (4,098) | (16,429) | (268) | 
| Beginning balance, shares at Sep. 30, 2020 |  | 214,244 | 47,840 | 1,589,101 |  |  |  |  |  | 
| Stock option exercise, Shares | 28,668 |  |  |  |  |  |  |  |  | 
| Ending balance, value at Sep. 30, 2021 | $ 75,080 |  |  | $ 2 | 65,284 | (7) | (4,519) | 14,768 | (448) | 
| Ending balance, shares at Sep. 30, 2021 |  | 315,790 | 47,840 | 1,582,334 |  |  |  |  |  | 
| Beginning balance, value at Dec. 31, 2020 | 48,585 |  |  | $ 2 | 64,489 | (7) | (4,481) | (11,016) | (402) | 
| Beginning balance, shares at Dec. 31, 2020 |  | 315,790 | 47,840 | 1,555,175 |  |  |  |  |  | 
| Stock based compensation | 270 |  |  |  | 270 |  |  |  |  | 
| Net income | 8,695 |  |  |  |  |  |  | 8,734 | (39) | 
| Ending balance, value at Mar. 31, 2021 | 57,550 |  |  | $ 2 | 64,759 | (7) | (4,481) | (2,282) | (441) | 
| Ending balance, shares at Mar. 31, 2021 |  | 315,790 | 47,840 | 1,555,175 |  |  |  |  |  | 
| Stock option exercise, Shares |  |  |  | 16,668 |  |  |  |  |  | 
| Stock option exercise | 181 |  |  |  | 181 |  |  |  |  | 
| Stock based compensation | (57) |  |  |  | (57) |  |  |  |  | 
| Purchase of common treasury stock | (26) |  |  |  |  |  | (26) |  |  | 
| Purchase of common treasury stock, shares |  |  |  | (1,009) |  |  |  |  |  | 
| Net income | 9,933 |  |  |  |  |  |  | 9,938 | (5) | 
| Ending balance, value at Jun. 30, 2021 | 67,581 |  |  | $ 2 | 64,883 | (7) | (4,507) | 7,656 | (446) | 
| Ending balance, shares at Jun. 30, 2021 |  | 315,790 | 47,840 | 1,570,834 |  |  |  |  |  | 
| Beginning balance, value at Sep. 30, 2021 | 75,080 |  |  | $ 2 | 65,284 | (7) | (4,519) | 14,768 | (448) | 
| Beginning balance, shares at Sep. 30, 2021 |  | 315,790 | 47,840 | 1,582,334 |  |  |  |  |  | 
| Stock based compensation | 18 |  |  |  | 18 |  |  |  |  | 
| Net income | 6,546 |  |  |  |  |  |  | 6,546 |  | 
| Ending balance, value at Dec. 31, 2021 | 81,644 |  |  | $ 2 | 65,302 | (7) | (4,519) | 21,314 | (448) | 
| Ending balance, shares at Dec. 31, 2021 |  | 315,790 | 47,840 | 1,582,334 |  |  |  |  |  | 
| Beginning balance, value at Sep. 30, 2021 | $ 75,080 |  |  | $ 2 | 65,284 | (7) | (4,519) | 14,768 | (448) | 
| Beginning balance, shares at Sep. 30, 2021 |  | 315,790 | 47,840 | 1,582,334 |  |  |  |  |  | 
| Stock option exercise, Shares | 0 |  |  |  |  |  |  |  |  | 
| Net income | $ 25,376 |  |  |  |  |  |  |  |  | 
| Ending balance, value at Jun. 30, 2022 | 97,965 |  |  | $ 2 | 65,321 | (7) | (7,047) | 40,144 | (448) | 
| Ending balance, shares at Jun. 30, 2022 |  |  | 47,840 | 3,081,456 |  |  |  |  |  | 
| Beginning balance, value at Dec. 31, 2021 | 81,644 |  |  | $ 2 | 65,302 | (7) | (4,519) | 21,314 | (448) | 
| Beginning balance, shares at Dec. 31, 2021 |  | 315,790 | 47,840 | 1,582,334 |  |  |  |  |  | 
| Stock based compensation | 19 |  |  |  | 19 |  |  |  |  | 
| Purchase of common treasury stock | (2,084) |  |  |  |  |  | (2,084) |  |  | 
| Purchase of common treasury stock, shares |  |  |  | 65,668 |  |  |  |  |  | 
| Conversion of preferred stock, shares |  | (315,790) |  | 1,578,950 |  |  |  |  |  | 
| Net income | 15,358 |  |  |  |  |  |  | 15,358 |  | 
| Ending balance, value at Mar. 31, 2022 | 94,937 |  |  | $ 2 | 65,321 | (7) | (6,603) | 36,672 | 448 | 
| Ending balance, shares at Mar. 31, 2022 |  |  | 47,840 | 3,095,616 |  |  |  |  |  | 
| Purchase of common treasury stock | (444) |  |  |  |  |  | (444) |  |  | 
| Purchase of common treasury stock, shares |  |  |  | (14,160) |  |  |  |  |  | 
| Net income | 3,472 |  |  |  |  |  |  | 3,472 |  | 
| Ending balance, value at Jun. 30, 2022 | $ 97,965 |  |  | $ 2 | $ 65,321 | $ (7) | $ (7,047) | $ 40,144 | $ (448) | 
| Ending balance, shares at Jun. 30, 2022 |  |  | 47,840 | 3,081,456 |  |  |  |  |  |