Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash	$ 18,919	$ 14,024
Marketable securities	349	438
Accounts receivable, net	3,731	1,208
Notes and interest receivable, current portion	581	16
Other current assets	1,202	2,373
Total current assets	24,782	18,059
Investments	760	1,035
Notes and interest receivable, net of current portion	1,745	1,250
Property and equipment, at cost less accumulated depreciation	1,513	1,262
Other long-term assets	504	173
Total assets	29,304	21,779
Current liabilities:
Accounts payable	272	321
Deferred revenue, current portion	781	853
Accrued payroll	1,145	595
Accrued expenses	71	98
Income tax payable	284
Other current liabilities	719	408
Total current liabilities	3,272	2,275
Deferred revenue, net of current portion	111	51
Commitments and contingencies (Note 9)
Intelligent Systems Corporation stockholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized, and 8,817,988 and 8,777,988 issued and outstanding at December 31, 2018 and 2017, respectively	88	88
Additional paid-in capital	15,050	14,877
Accumulated other comprehensive loss	(92)	(143)
Accumulated income	10,875	4,631
Total stockholders’ equity	25,921	19,453
Total liabilities and stockholders’ equity	$ 29,304	$ 21,779