Note 11 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31, 2016		December 31, 2015
Accrued payroll, commission and benefits	$	267,715	$	247,476
Accrued project management costs		41,499		41,155
Value added tax payable		24,605		29,956
Customer advances		10,432		6,930
Accrued contract costs (overbillings)		16,713		8,875
Other		38,795		43,387
	$	399,759	$	377,779