Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash	$ 10,183	$ 14,024
Marketable securities	416	438
Accounts receivable, net	2,924	1,208
Notes and interest receivable, current portion	271	16
Other current assets	5,046	2,373
Total current assets	18,840	18,059
Investments	1,016	1,035
Notes and interest receivable, net of current portion	1,485	1,250
Property and equipment, at cost less accumulated depreciation	1,301	1,262
Other long-term assets	207	173
Total assets	22,849	21,779
Current liabilities:
Accounts payable	129	321
Deferred revenue, current portion	848	853
Accrued payroll	929	595
Accrued expenses	105	98
Other current liabilities	401	408
Total current liabilities	2,412	2,275
Deferred revenue, net of current portion	94	51
Intelligent Systems Corporation stockholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized, 8,777,988 issued and outstanding at March 31, 2018 and December 31, 2017	88	88
Additional paid-in capital	14,890	14,877
Accumulated other comprehensive loss	(159)	(143)
Accumulated income	5,524	4,631
Total Intelligent Systems Corporation stockholders’ equity	20,343	19,453
Total liabilities and stockholders’ equity	$ 22,849	$ 21,779