Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 7,721	$ 8,165
Accounts receivable, net of allowance for doubtful accounts of $77 in 2018 and $64 in 2017	5,195	4,488
Prepaid expenses and other current assets	1,465	1,212
Total Current Assets	14,381	13,865
Fixed Assets, net of accumulated amortization and depreciation of $13,181 in 2018 and $11,670 in 2017	11,129	11,811
Other assets	915	832
Total Assets	26,425	26,508
Current Liabilities:
Accounts payable	1,117	398
Accrued expenses	3,014	2,870
Current portion of long-term debt	957	957
Total Current Liabilities	5,088	4,225
Long-term debt	1,942	2,420
Deferred tax liabilities, long-term	1,138	1,243
Total Liabilities	8,168	7,888
Commitments and Contingencies (Note 8)
Shareholders' Equity:
Preferred stock, $0.005 par value, 873 shares authorized, no shares issued or outstanding
Common stock, $0.005 par value; 50,000 shares authorized 6,175 shares issued in 2018 and 6,160 shares issued in 2017	31	31
Accumulated other comprehensive loss	(1,403)	(238)
Additional paid-in capital	31,208	31,022
Accumulated deficit	(1,497)	(2,113)
Less - Treasury stock, at cost, 668 shares	(10,082)	(10,082)
Total Shareholders' Equity	18,257	18,620
Total Liabilities and Shareholders' Equity	$ 26,425	$ 26,508