In millions, except per share items | Jun-30-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| 10-Q | 8-K | 10-Q | 10-Q | 10-Q | 10-K/A | 10-Q | 10-Q |
ASSETS | | | | | | | | |
CURRENT ASSETS: | | | | | | | | |
Cash and cash equivalents | 11.9 | 11.5 | 11.0 | 10.3 | 12.3 | 14.2 | 14.2 | 13.0 |
Trade accounts receivable, net of allowance for doubtful accounts of $135 and $147, respectively | 4.7 | 5.0 | 4.4 | 4.2 | 3.1 | 4.0 | 4.1 | 4.5 |
Inventories | 6.9 | 6.8 | 7.1 | 6.9 | 6.6 | 6.4 | 6.1 | 5.6 |
Other current assets | 0.8 | 0.6 | 0.6 | 0.6 | 0.8 | 0.7 | 0.5 | 1.2 |
TOTAL CURRENT ASSETS | 24.3 | 23.9 | 23.2 | 22.0 | 22.8 | 25.3 | 24.9 | 24.3 |
Property, plant and equipment - net | 1.0 | 1.1 | 1.0 | 1.0 | 1.0 | 0.9 | 0.9 | 1.0 |
Other assets | 1.8 | 2.2 | 2.3 | 2.5 | 2.7 | 2.8 | 1.5 | 1.6 |
TOTAL ASSETS | 27.1 | 27.2 | 26.5 | 25.5 | 26.5 | 29.1 | 27.3 | 26.9 |
|
LIABILITIES AND STOCKHOLDERS' EQUITY | | | | | | | | |
CURRENT LIABILITIES: | | | | | | | | |
Accounts payable | 1.6 | 1.4 | 1.5 | 1.8 | 1.5 | 1.4 | 1.5 | 1.7 |
Accrued compensation | 1.7 | 1.7 | 1.6 | 1.6 | 1.5 | 2.5 | 2.2 | 1.7 |
Deferred revenue | 1.4 | 1.6 | 1.8 | 1.3 | 1.5 | 1.5 | 1.2 | 1.3 |
Other accrued liabilities | 1.5 | 1.6 | 1.5 | 1.4 | 1.4 | 1.4 | 1.3 | 1.3 |
Income taxes payable | 0.1 | 0.1 | 0.2 | 0.1 | 0.0 | | 0.1 | 0.1 |
TOTAL CURRENT LIABILITIES | 6.3 | 6.3 | 6.7 | 6.1 | 5.9 | 6.8 | 6.4 | 6.1 |
Operating lease liabilities | 1.1 | | 1.7 | 1.9 | 2.1 | 2.3 | 0.9 | |
Long-term other payables | 0.2 | | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 |
|
STOCKHOLDERS' EQUITY | | | | | | | | |
Common stock, at stated value | 22.2 | | 21.7 | 21.4 | 21.2 | 20.9 | 20.6 | 20.3 |
Accumulated earnings (deficit) | -2.7 | -3.1 | -3.6 | -4.5 | -3.8 | -2.0 | -1.8 | -1.8 |
Accumulated other comprehensive income | 0.1 | 0.3 | -0.1 | 0.5 | 0.9 | 1.0 | 0.9 | 1.0 |
TOTAL STOCKHOLDERS' EQUITY | 19.5 | 19.1 | 17.9 | 17.4 | 18.3 | 19.9 | 19.7 | 19.5 |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 27.1 | 27.2 | 26.5 | 25.5 | 26.5 | 29.1 | 27.3 | 26.9 |