Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Summary of Significant Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

Adoption of the standard impacted our previously reported results as follows (in thousands, except earnings per share amounts): 

	Three Months Ended March 31, 2017
	As Reported			New Revenue Standard Adjustment			As Adjusted
Statement of Operations:
Revenue	$	7,799		$	(96	)	$	7,703
Net loss	(1,199		)	(62		)	(1,261		)
Basic and diluted loss per share	$	(0.27	)	$	(0.01	)	$	(0.28	)

	December 31, 2017
	As Reported		New Revenue Standard Adjustment			As Adjusted
Balance Sheets:
Accounts receivable, net	$	2,721	$	(425	)	$	2,296
Deferred cost of goods sold	1,767		(728		)	1,039
Deferred revenues	4,805		(2,993		)	1,812
Stockholders' equity	21,887		1,840			23,727

Deferred Revenue

The following table reflects changes in contract balances for the three months ended March 31, 2018 and 2017 (in thousands):

	Three Months Ended
	March 31, 2018			March 31, 2017
Beginning balance	$	1,812		$	1,057
Deferred revenues added	146			220
Elimination of deferred revenues due to joint venture liquidation	(986		)	—
Previously deferred revenues recognized	(123		)	(109		)
Ending balance	$	849		$	1,168