Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue	$ 27,245	$ 17,517	$ 47,575	$ 22,459
Cost of sales	18,173	11,954	31,332	15,293
Gross profit	9,072	5,563	16,243	7,166
Selling, general and administrative:
Acquisition, severance and transition costs	453	254	752	700
Amortization and depreciation	1,145	1,525	2,178	2,079
Stock-based compensation	629	229	1,163	361
Other selling, general and administrative	7,738	6,254	14,212	9,695
Research and development	221	474	906	978
Total operating expenses	10,186	8,736	19,211	13,813
Operating loss	(1,114)	(3,173)	(2,968)	(6,647)
Other expense:
Interest expense and other bank charges	(374)	(381)	(566)	(477)
Loss before taxes	(1,488)	(3,554)	(3,534)	(7,124)
Deferred income tax benefit		5,964		5,964
Net (loss) income	(1,488)	2,410	(3,534)	(1,160)
Accrual of preferred stock dividends		(404)		(804)
Accretion to redemption value of Series E, F and G preferred stock		(906)		(913)
Net (loss) income attributable to common stockholders	$ (1,488)	$ 1,100	$ (3,534)	$ (2,877)
Net (loss) income per common share attributable to common stockholders - Basic	$ (0.01)	$ 0.01	$ (0.03)	$ (0.03)
Net (loss) income per common share attributable to common stockholders - Diluted	$ (0.01)	$ 0.01	$ (0.03)	$ (0.03)
Weighted average shares outstanding - Basic	143,728	89,086	141,281	85,379
Weighted average shares outstanding - Diluted	143,728	110,130	141,281	85,379