Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

v3.8.0.1
Revenue Recognition (Details) - USD ($)
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Net Sales $ 40,552,000 $ 38,091,000
Cost of sales 33,658,000 31,332,000
Gross profit 6,894,000 6,759,000
Income from operations 1,847,000 1,792,000
Net Income 1,598,000 1,319,000
ASU 2014-09    
Impact of adoption 0  
ASU 2014-09 | As Reported    
Net Sales   112,796,000
Cost of sales   106,037,000
Gross profit   6,759,000
ASU 2014-09 | Impact of Adoption    
Net Sales   (74,705,000)
Cost of sales   (74,705,000)
Lifeboat Distribution    
Net Sales 36,838,000 33,834,000
Cost of sales   27,991,000
Gross profit 6,184,000 5,843,000
Lifeboat Distribution | ASU 2014-09 | As Reported    
Net Sales   104,483,000
Cost of sales   98,640,000
Gross profit   5,843,000
Lifeboat Distribution | ASU 2014-09 | Impact of Adoption    
Net Sales   (70,649,000)
Cost of sales   (70,649,000)
TechXtend    
Net Sales 3,714,000 4,257,000
Cost of sales   3,341,000
Gross profit $ 710,000 916,000
TechXtend | ASU 2014-09 | As Reported    
Net Sales   8,313,000
Cost of sales   7,397,000
Gross profit   916,000
TechXtend | ASU 2014-09 | Impact of Adoption    
Net Sales   (4,056,000)
Cost of sales   $ (4,056,000)