Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue
Total net revenue	$ 20,100	$ 9,179
Cost of revenue
Total cost of revenue	8,524	4,471
Expenses
Marketing	255	255
General and administrative	1,826	1,588
Research and development	3,353	4,367
Income (loss) from operations	6,142	(1,502)
Investment (loss) income	(363)	1,738
Other income, net	469	166
Income before income taxes	6,248	402
Income taxes	4	28
Net income attributable to Intelligent Systems Corporation	$ 6,244	$ 374
Earnings per share attributable to Intelligent Systems Corporation:
Basic (in dollars per share)	$ 0.71	$ 0.04
Diluted (in dollars per share)	$ 0.70	$ 0.04
Basic weighted average common shares outstanding (in shares)	8,796,321	8,766,425
Diluted weighted average common shares outstanding (in shares)	8,948,518	8,881,814
Product [Member]
Revenue
Total net revenue	$ 1,349	$ 90
Cost of revenue
Total cost of revenue	136	87
Service [Member]
Revenue
Total net revenue	18,751	9,089
Cost of revenue
Total cost of revenue	$ 8,388	$ 4,384