Summary of Significant Accounting Policies, Revisions (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
CONSOLIDATED STATEMENTS OF OPERATIONS
Contract revenue	$ 12,415	$ 13,654	$ 25,391	$ 27,667
Cost of revenue	8,855	10,767	18,207	21,486
Gross profit	3,560	2,887	7,184	6,181
Operating loss	227	(1,371)	442	(1,695)
Income (loss) before income taxes	219	(1,422)	445	(1,806)
Net loss	$ 111	$ (1,495)	$ 249	$ (1,967)
Basic earnings (loss) per common share	$ 0.01	$ (0.08)	$ 0.01	$ (0.11)
Diluted earnings (loss) per common share	$ 0.01	$ (0.08)	$ 0.01	$ (0.11)
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net income (loss)	$ 111	$ (1,495)	$ 249	$ (1,967)
Comprehensive loss	(40)	(1,389)	147	(2,097)
Cash flows from operating activities
Net income (loss)	$ 111	(1,495)	249	(1,967)
Changes in assets and liabilities:
Contract receivables, net			1,547	76
Prepaid expenses and other assets			650	411
Billings in excess of revenue earned			877	(541)
Net cash provided by operating activities			1,046	(1,600)
Net decrease in cash and cash equivalents			(181)	(3,828)
Accumulated Deficit [Member]
CONSOLIDATED STATEMENTS OF OPERATIONS
Net loss			249
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net income (loss)			249
Cash flows from operating activities
Net income (loss)			$ 249
Scenario, Previously Reported [Member]
CONSOLIDATED STATEMENTS OF OPERATIONS
Contract revenue		13,632		27,628
Cost of revenue		10,717		21,491
Gross profit		2,915		6,137
Operating loss		(1,343)		(1,739)
Income (loss) before income taxes		(1,394)		(1,850)
Net loss		$ (1,467)		$ (2,011)
Basic earnings (loss) per common share		$ (0.08)		$ (0.11)
Diluted earnings (loss) per common share		$ (0.08)		$ (0.11)
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net income (loss)		$ (1,467)		$ (2,011)
Comprehensive loss		(1,361)		(2,141)
Cash flows from operating activities
Net income (loss)		(1,467)		(2,011)
Changes in assets and liabilities:
Contract receivables, net				138
Prepaid expenses and other assets				406
Billings in excess of revenue earned				(440)
Net cash provided by operating activities				(1,600)
Net decrease in cash and cash equivalents				(3,828)
Restatement Adjustment [Member]
CONSOLIDATED STATEMENTS OF OPERATIONS
Contract revenue		22		39
Cost of revenue		50		(5)
Gross profit		(28)		44
Operating loss		(28)		44
Income (loss) before income taxes		(28)		44
Net loss		$ (28)		$ 44
Basic earnings (loss) per common share		$ 0		$ 0
Diluted earnings (loss) per common share		$ 0		$ 0
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net income (loss)		$ (28)		$ 44
Comprehensive loss				44
Cash flows from operating activities
Net income (loss)		$ (28)		44
Changes in assets and liabilities:
Contract receivables, net				(62)
Prepaid expenses and other assets				5
Billings in excess of revenue earned				(101)
Net cash provided by operating activities				0
Net decrease in cash and cash equivalents				$ 0