Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Revenues	$ 32,115,000	$ 28,524,000	$ 24,171,000
Cost of operations	25,590,000	21,737,000	17,767,000
Gross profit	6,525,000	6,787,000	6,404,000
Selling, general and administrative expenses	14,037,000	14,138,000	17,571,000
Transaction costs	1,027,000	0	0
Gain on sale of real estate	0	(1,846,000)	0
Impairment	0	0	212,000
Restructuring charges	0	146,000	802,000
Operating loss from continuing operations	(8,539,000)	(5,651,000)	(12,181,000)
Other (expense) income:
Interest expense, net	(1,796,000)	0	(81,000)
Other expense, net	0	(239,000)	(399,000)
Total other (expense) income	(1,796,000)	(239,000)	(480,000)
Loss from continuing operations before income taxes	(10,335,000)	(5,890,000)	(12,661,000)
Income tax expense	19,000	23,000	19,000
Loss from continuing operations	(10,354,000)	(5,913,000)	(12,680,000)
Discontinued operations:
Loss from discontinued operations, net of tax	(520,000)	(3,301,000)	(2,025,000)
Gain on sale of subsidiaries, net of adjustments	0	739,000	3,430,000
Income (loss) from discontinued operations	(520,000)	(2,562,000)	1,405,000
Net loss	$ (10,874,000)	$ (8,475,000)	$ (11,275,000)
Basic and diluted (loss) earnings per share:
Continuing operations, basic (usd per share)	$ (0.14)	$ (0.08)	$ (0.18)
Continuing operations, diluted (usd per share)	(0.14)	(0.08)	(0.18)
Discontinued operations, basic (usd per share)	0.00	(0.04)	0.02
Discontinued operations, diluted (usd per share)	0.00	(0.04)	0.02
Net loss, basic (usd per share)	(0.14)	(0.12)	(0.16)
Net loss, diluted (usd per share)	$ (0.14)	$ (0.12)	$ (0.16)
Weighted average number of shares - Basic (shares)	76,048,156	70,684,452	69,965,814
Weighted average number of shares - Diluted (shares)	76,048,156	70,684,452	69,965,814