Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash	$ 23,676	$ 18,919
Marketable securities	370	349
Accounts receivable, net	6,059	3,731
Notes and interest receivable, current portion		581
Other current assets	1,039	1,202
Total current assets	31,144	24,782
Investments	3,309	760
Notes and interest receivable, net of current portion	1,272	1,745
Property and equipment, at cost less accumulated depreciation	2,336	1,513
Other long-term assets	1,469	504
Total assets	39,530	29,304
Current liabilities:
Accounts payable	280	272
Deferred revenue, current portion	442	781
Accrued payroll	2,049	1,145
Accrued expenses	98	71
Income tax payable	1,504	284
Other current liabilities	1,154	719
Total current liabilities	5,527	3,272
Noncurrent liabilities:
Deferred revenue, net of current portion	41	111
Long-term lease obligation	509
Total noncurrent liabilities	550	111
Intelligent Systems Corporation stockholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized, 8,897,988 and 8,817,988 issued and outstanding at September 30, 2019 and December 31, 2018, respectively	89	88
Additional paid-in capital	15,341	15,050
Accumulated other comprehensive loss	(124)	(92)
Accumulated income	18,147	10,875
Total Intelligent Systems Corporation stockholders’ equity	33,453	25,921
Total liabilities and stockholders’ equity	$ 39,530	$ 29,304