Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net sales:
Products	$ 65,567	$ 43,267	$ 178,338	$ 102,172
Services	42,130	34,107	102,205	70,969
Total net sales	107,697	77,374	280,543	173,141
Cost of sales:
Products (exclusive of depreciation and amortization shown below)	35,520	28,986	108,322	74,670
Services (exclusive of depreciation and amortization shown below)	26,813	19,443	60,742	39,878
Depreciation and amortization	2,315	2,282	7,087	6,132
Total cost of sales	64,648	50,711	176,151	120,680
Gross Profit	43,049	26,663	104,392	52,461
Operating expenses:
Selling, general and administrative (exclusive of depreciation and amortization shown below)	14,485	12,017	41,175	26,515
Depreciation and amortization	1,503	933	4,771	2,697
Restructuring charges (see note 1)	681		681
Total operating expenses	16,669	12,950	46,627	29,212
Income from operations	26,380	13,713	57,765	23,249
Other income (expense):
Interest, net	(4,624)	(1,947)	(8,129)	(5,391)
Foreign currency (loss) gain	(34)	235	115	24
Loss on debt modification and early extinguishment	(703)	(476)	(703)	(476)
Other income (expense), net	295	(6)	356	13
Total other expense, net	(5,066)	(2,194)	(8,361)	(5,830)
Income before income taxes	21,314	11,519	49,404	17,419
Provision for income taxes	(6,554)	(4,751)	(16,528)	(7,084)
Net income from continuing operations	14,760	6,768	32,876	10,335
Discontinued operation (see note 3):
Income (loss) from a discontinued operation, net of taxes		699	(606)	(2,064)
Gain on sale of a discontinued operation, net of taxes			887
Net Income	14,760	7,467	33,157	8,271
Other Comprehensive Income
Currency translation adjustment	(878)	(677)	(1,224)	(374)
Total comprehensive income	13,882	6,790	31,933	7,897
Earnings (loss) per share
Net income from continuing operations	14,760	6,768	32,876	10,335
Preferred stock dividends	(7,096)	(10,692)	(32,454)	(31,672)
Income (loss) from continuing operations attributable to common stockholders	7,664	(3,924)	422	(21,337)
Income (loss) from a discontinued operation, net of taxes		699	281	(2,064)
Net income (loss) available to common shareholders	$ 7,664	$ (3,225)	$ 703	$ (23,401)
Basic earnings (loss) per share:
Continued operations	$ 0.19	$ (0.10)	$ 0.01	$ (0.52)
Discontinued operation		0.02	0.01	(0.05)
Earnings per share basic	0.19	(0.08)	0.02	(0.57)
Diluted earnings (loss) per share:
Continued operations	0.19	(0.10)	0.01	(0.52)
Discontinued operation		0.02	0.01	(0.05)
Earnings per share diluted	$ 0.19	$ (0.08)	$ 0.02	$ (0.57)