In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| 10-Q | 10-Q | | 10-Q | 10-Q | 10-Q/A | 10-Q/A | 10-Q |
ASSETS | | | | | | | | |
Current assets: | | | | | | | | |
Cash and cash equivalents | 0.8 | 1.3 | | 0.7 | 1.1 | 1.7 | 2.2 | 2.6 |
Other current assets | 0.0 | 0.0 | | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 |
Total current assets | 0.8 | 1.3 | | 0.7 | 1.2 | 1.7 | 2.2 | 2.6 |
|
Other assets: | | | | | | | | |
Due from related parties | 0.0 | 0.1 | | 0.0 | 0.0 | 1.0 | 0.9 | 0.9 |
|
Financing Receivable, after Allowance for Credit Loss, Noncurrent, Related Party, Type [Extensible Enumeration] | | | | | | | | |
Investments in unconsolidated entities | 0.2 | 0.1 | | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 |
Total other assets | 0.2 | 0.3 | | 0.5 | 0.5 | 1.4 | 1.4 | 1.1 |
|
Property and equipment: | | | | | | | | |
Operating lease right-of-use asset | | 0.0 | | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
Total property and equipment | | 0.0 | | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
TOTAL ASSETS | 1.0 | 1.6 | | 1.2 | 1.7 | 3.2 | 3.7 | 3.8 |
|
LIABILITIES | | | | | | | | |
Current liabilities: | | | | | | | | |
Operating lease right-of-use liability - current portion | | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Accounts payable and accrued expenses | 0.0 | 0.1 | | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 |
Income taxes payable | 0.2 | 0.2 | | 0.2 | 0.2 | 0.4 | 0.4 | 0.2 |
Total current liabilities | 0.2 | 0.2 | | 0.3 | 0.4 | 0.6 | 0.6 | 0.4 |
Guarantee liability | 0.0 | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Total liabilities | 0.2 | 0.3 | | 0.3 | 0.4 | 0.6 | 0.7 | 0.5 |
|
EQUITY | | | | | | | | |
Common stock | 0.1 | 0.1 | | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
Additional paid-in capital | 2.9 | 2.9 | | 2.9 | 2.9 | 2.9 | 2.9 | 3.1 |
Accumulated deficit | -2.3 | -1.8 | | -2.2 | -1.9 | -0.8 | -0.4 | 0.1 |
U.S. Neurosurgical Holdings, Inc. stockholders' equity | 0.7 | 1.1 | | 0.7 | 1.1 | 2.2 | 2.6 | 3.3 |
Noncontrolling interests | 0.1 | 0.2 | | 0.1 | 0.2 | 0.4 | 0.5 | |
Total stockholders' equity | 0.8 | 1.3 | | 0.9 | 1.2 | 2.5 | 3.0 | |
TOTAL LIABILITIES AND EQUITY | 1.0 | 1.6 | | 1.2 | 1.7 | 3.2 | 3.7 | 3.8 |