Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Contingent Consideration	Accumulated Deficit	Total
Beginning Balance, Amount at Dec. 31, 2013	$ 11	$ 50,998	$ 198	$ (44,506)	$ 6,701
Beginning Balance, Shares at Dec. 31, 2013	10,801,315
Expense for stock options granted to employees		784			784
Stock issued under stock award plans, Amount		70			70
Stock issued under stock award plans, Shares	28,418
Issuance of common stock for rent, Amount		966			966
Issuance of common stock for rent, Shares	300,000
Issuance of common stock in connection with a business acquisition, Amount		134			134
Issuance of common stock in connection with a business acquisition, Shares	40,521
Issuance of common stock from contingent consideration, Amount		198	$ (198)
Issuance of common stock from contingent consideration, Shares	62,088
Issuance of common stock in connection with stock purchase agreement, Amount	$ 2	1,998			2,000
Issuance of common stock in connection with stock purchase agreement, Shares	1,449,275
Issuance of common stock warrants in connection with stock purchase agreement, Amount		265			265
Net loss				(6,376)	(6,376)
Ending Balance, Amount at Dec. 31, 2014	$ 13	55,413		$ (50,882)	4,544
Ending Balance, Shares at Dec. 31, 2014	12,681,617
Expense for stock options granted to employees		1,306			1,306
Stock issued under stock award plans, Amount		50			50
Stock issued under stock award plans, Shares	26,865
Issuance of common stock in connection with a business acquisition, Amount		40			40
Issuance of common stock in connection with a business acquisition, Shares	19,007
Issuance of common stock warrants in connection with note payable		115			115
Issuance of common stock in connection with exercise of common stock warrants, Amount		690			690
Issuance of common stock in connection with exercise of common stock warrants, Shares	500,000
Net loss				$ (4,541)	(4,541)
Ending Balance, Amount at Dec. 31, 2015	$ 13	$ 57,614	$ 0	$ (55,423)	$ 2,204
Ending Balance, Shares at Dec. 31, 2015	13,227,489