Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash	$ 26,415	$ 18,919
Marketable securities		349
Accounts receivable, net	8,759	3,731
Notes and interest receivable, current portion		581
Other current assets	905	1,202
Total current assets	36,079	24,782
Investments	3,081	760
Notes and interest receivable, net of current portion	1,795	1,745
Property and equipment, at cost less accumulated depreciation	2,177	1,513
Other long-term assets	1,108	504
Total assets	44,240	29,304
Current liabilities:
Accounts payable	403	272
Deferred revenue, current portion	689	781
Accrued payroll	2,503	1,145
Accrued expenses	153	71
Income tax payable	1,100	284
Other current liabilities	1,345	719
Total current liabilities	6,193	3,272
Deferred revenue, net of current portion	23	111
Long-term lease obligation	460
Deferred tax liability	275
Total long-term liabilities	758	111
Commitments and contingencies (Note 9)
Intelligent Systems Corporation stockholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized, and 8,924,988 and 8,817,988 issued and outstanding at December 31, 2019 and 2018, respectively	89	88
Additional paid-in capital	15,450	15,050
Accumulated other comprehensive loss	(94)	(92)
Accumulated income	21,844	10,875
Total stockholders’ equity	37,289	25,921
Total liabilities and stockholders’ equity	$ 44,240	$ 29,304