CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Cash flows provided by (used in) operating activities
Net income (loss)	$ (1,041)	$ (4,582)	$ 7,251	$ (8,645)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on bargain purchase	(3,691)	(2,237)	(15,530)	(2,749)
Gain on debt and payables extinguishment	(1,090)	0	(3,990)	0
Stock-based compensation	438	82	603	180
Payment made in stock (payroll and consultants)			1,426	1,020
Provision for bad debt			0	97
Inventory valuation adjustments			76	110
Depreciation and amortization	1,143	1,512	2,132	2,867
Change in fair value of derivative liabilities			190	1,260
Guaranteed interest and debt issuance costs			434	0
Amortization of debt discount			0	50
Offering expenses	0	158	0	158
Changes in assets and liabilities
Accounts receivable			(1,895)	72
Inventory			2,181	480
Prepaid expenses and other current assets			(559)	(67)
Accounts payable			3,187	329
Deferred rent			0	(64)
Accrued expenses and interest expense			3,205	196
Deferred revenue and customer deposits			3	33
Due to related parties			1,657	312
Net cash provided by (used in) operating activities			371	(4,361)
Cash flows used in investing activities
Cash acquired with the acquisition of IMT			0	(23)
Cash disbursed for property and equipment			(395)	(12)
Cash used in Vislink acquisition			(6,500)	0
Net cash used in investing activities			(6,895)	(35)
Cash flows provided by financing activities
Principal repayments made on of capital lease obligations			(28)	(25)
Proceeds from multiple issuances of convertible preferred stock, common stock and warrants			3,500	4,537
Costs incurred in connection with multiple financings			(459)	(791)
Proceeds received from issuance of convertible notes payable			0	1,000
Principal repayments of Vislink notes			(2,000)	0
Principal repayments of convertible notes payable			0	(1,031)
Principal repayments of notes payable			(824)	0
Proceeds from the exercise of warrants			1,589	492
Net cash provided by financing activities			1,778	4,182
Effect of exchange rate changes on cash			348	0
Net decrease in cash			(4,398)	(214)
Cash, beginning of period			9,054	368
Cash, end of period	4,656	154	4,656	154
Cash paid for interest			242	472
Cash paid for taxes			0	0
Supplemental cash flow disclosures of non-cash investing and financing activities
Conversion of convertible notes payable			0	465
Settlement of services previously accrued			295	0
Settlement of amounts due to related parties			120	244
Settlement of notes payable to sellers of Vislink with assumption of liabilities and debt extinguishment			7,500	0
Issuance of Series D Convertible Preferred Stock			0	500
Stock issued as payment of interest on convertible note			90	0
Reclassification of derivative liabilities to stockholders’ equity upon the exercise of warrants			0	376
Dividends and deemed dividend on Series B Convertible Preferred Stock conversion			0	1,808
Purchase Consideration
Amount of consideration:			16,000	3,000
Assets acquired and liabilities assumed at preliminary fair value
Cash	0	477	0	477
Accounts receivable	7,129	676	7,129	676
Inventories	18,234	3,329	18,234	3,329
Property and equipment	3,868	1,470	3,868	1,470
Prepaid expenses	1,209	55	1,209	55
Accounts payable	(2,079)	(423)	(2,079)	(423)
Deferred rent	0	(167)	0	(167)
Accrued expenses	(451)	(378)	(451)	(378)
Net tangible assets acquired	27,910	5,039	27,910	5,039
Identifiable intangible assets
Total Identifiable Intangible Assets	3,620	710	3,620	710
Total net assets acquired	31,530	5,749	31,530	5,749
Consideration paid			16,000	3,000
Preliminary gain on bargain purchase	3,691	2,237	15,530	2,749
Customer Relationships [Member]
Identifiable intangible assets
Total Identifiable Intangible Assets	2,520	360	2,520	360
Trademarks and Trade Names [Member]
Identifiable intangible assets
Total Identifiable Intangible Assets	$ 1,100	$ 350	1,100	350
Series B Preferred Stock [Member]
Supplemental cash flow disclosures of non-cash investing and financing activities
Conversion of Convertible Preferred Stock			0	2,722
Series D Preferred Stock [Member]
Supplemental cash flow disclosures of non-cash investing and financing activities
Conversion of Convertible Preferred Stock			$ 648	$ 250