Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current Assets:
Cash	$ 1,421	$ 1,964
Accounts receivable, net of allowance for doubtful accounts of $52 at June 30, 2023, and $87 at December 31, 2022	3,883	3,687
Prepaid expenses and other current assets	870	1,136
Income tax receivable	13	18
Total Current Assets	6,187	6,805
Fixed assets, net of accumulated amortization and depreciation of $22,877 at June 30, 2023, and $21,964 at December 31, 2022	2,759	3,061
Other assets	608	632
Operating lease right-of-use assets	1,598	1,828
Total Assets	11,152	12,326
Current Liabilities:
Accounts payable	1,131	752
Accrued expenses	1,780	2,604
Equipment financing debt	230	305
Current portion of operating lease liabilities	1,043	1,048
Total Current Liabilities	4,184	4,709
Long-term portion of operating lease liabilities	687	945
Total Liabilities	4,871	5,654
Commitments and Contingencies
Shareholders' Equity:
Common stock, $0.005 par value; 50,000 shares authorized; 6,411 and 6,349 shares issued and 5,743 and 5,681 shares outstanding, respectively	32	32
Additional paid-in capital	35,426	35,129
Accumulated deficit	(17,461)	(16,773)
Less - Treasury stock, at cost, 668 shares	(10,082)	(10,082)
Accumulated other comprehensive loss	(1,634)	(1,634)
Total Shareholders' Equity	6,281	6,672
Total Liabilities and Shareholders' Equity	$ 11,152	$ 12,326