Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash	$ 22,071	$ 18,919
Marketable securities	379	349
Accounts receivable, net	3,689	3,731
Notes and interest receivable, current portion		581
Other current assets	1,092	1,202
Total current assets	27,231	24,782
Investments	760	760
Notes and interest receivable, net of current portion	2,861	1,745
Property and equipment, at cost less accumulated depreciation	1,445	1,513
Other long-term assets	1,637	504
Total assets	33,934	29,304
Current liabilities:
Accounts payable	272	272
Deferred revenue, current portion	905	781
Accrued payroll	1,285	1,145
Accrued expenses	127	71
Income tax payable	943	284
Other current liabilities	1,582	719
Total current liabilities	5,114	3,272
Noncurrent liabilities:
Deferred revenue, net of current portion	74	111
Long-term lease obligation	670
Total noncurrent liabilities	744	111
Intelligent Systems Corporation stockholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized, 8,850,988 and 8,817,988 issued and outstanding at March 31, 2019 and December 31, 2018, respectively	89	88
Additional paid-in capital	15,133	15,050
Accumulated other comprehensive loss	(93)	(92)
Accumulated income	12,947	10,875
Total Intelligent Systems Corporation stockholders’ equity	28,076	25,921
Total liabilities and stockholders’ equity	$ 33,934	$ 29,304