Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Total
Common stock, number of shares, beginning of year (in shares) at Dec. 31, 2013		8,958,028
Common stock, number of shares, end of year (in shares) at Dec. 31, 2014		8,958,028
Common stock, amount, beginning of year at Dec. 31, 2013		$ 90
Common stock, amount, end of year at Dec. 31, 2014		90
Additional paid-in capital, beginning of year at Dec. 31, 2013		21,488
Stock compensation expense		49
Additional paid-in capital, end of year at Dec. 31, 2014		21,537
Accumulated other comprehensive loss, beginning of year at Dec. 31, 2013		(98)
Foreign currency translation adjustment		8
Unrealized loss on available-for-sale marketable securities		(20)
Accumulated other comprehensive loss, end of year at Dec. 31, 2014		(110)
Accumulated earnings (deficit), beginning of year at Dec. 31, 2013		(12,674)
Net income (loss)		(76)
Accumulated earnings (deficit), end of year at Dec. 31, 2014		(12,750)
Noncontrolling interest, beginning of year at Dec. 31, 2013		(1,312)
Other comprehensive income		2
Net loss		(879)
Noncontrolling interest, end of year at Dec. 31, 2014		(2,189)
Total Intelligent Systems Corporation stockholders’ equity		8,767
Total stockholders’ equity		$ 6,578
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		4,000
Stock repurchased during year in tender offer (in shares)		(230,729)
Common stock, number of shares, end of year (in shares) at Dec. 31, 2015		8,731,299
Stock repurchased during year in tender offer	$ (3)
Common stock, amount, end of year at Dec. 31, 2015		$ 87
Stock repurchased during year in tender offer		(689)
Stock option exercised		8
Stock compensation expense		19
Additional paid-in capital, end of year at Dec. 31, 2015		20,875
Foreign currency translation adjustment		(6)
Unrealized loss on available-for-sale marketable securities		(68)
Accumulated other comprehensive loss, end of year at Dec. 31, 2015		(184)
Net income (loss)		18,020
Accumulated earnings (deficit), end of year at Dec. 31, 2015		5,270
Net loss		(690)
Noncontrolling interest, end of year at Dec. 31, 2015		(2,879)
Total Intelligent Systems Corporation stockholders’ equity		26,048
Total stockholders’ equity		$ 23,169