Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ (18,166)	$ (7,471)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	4,500	3,439
Provision for bad debts, net of recoveries	15	230
Provision for excess and obsolete inventory, net of recoveries	33	309
Share-based compensation expense	1,553	1,057
Amortization of debt discount and debt issuance costs	1,697	2,443
Fair value of inducement shares issued in Notes Exchange	7,933	0
Deferred income taxes	2	(18)
Other	(514)	120
Changes in assets and liabilities:
Accounts receivable	(8,590)	(3,290)
Inventories	8,876	(7,850)
Prepaid expenses and other assets	(983)	314
Accounts payable	1,921	3,509
Accrued expenses, income taxes, and other	2,051	2,175
Net cash provided by (used in) operating activities	328	(5,033)
Cash flows from investing activities:
Purchases of property, plant and equipment	(567)	(428)
Proceeds from the sale of property, plant and equipment	163	50
Additions to capitalized software development costs and purchases of intangible assets	(4,453)	(3,942)
Net cash used in investing activities	(4,857)	(4,320)
Cash flows from financing activities:
Gross proceeds received from issuance of Series E preferred stock	25,000	0
Proceeds from the exercise of warrants to purchase common stock	1,861	10,639
Net repayment of DigiCore bank and overdraft facilities	134	(35)
Principal payments under finance lease obligations	(657)	(268)
Taxes paid on vested restricted stock units, net of proceeds from stock option exercises	(24)	287
Net cash provided by financing activities	26,314	10,623
Effect of exchange rates on cash	(3,318)	(407)
Net increase in cash, cash equivalents and restricted cash	18,467	863
Cash, cash equivalents and restricted cash, beginning of period	12,074	31,076
Cash, cash equivalents and restricted cash, end of period	30,541	31,939
Cash paid (received) during the year for:
Interest	124	1,200
Income taxes	(352)
Income taxes		48
Supplemental disclosures of non-cash activities:
Transfer of inventories to rental assets	727	791
Capital expenditures financed through accounts payable	1,934	2,232
Right-of-use assets obtained in exchange for operating leases liabilities	4,217	3,554
Preferred Stock issued in extinguishment of term loan accrued interest	2,330	0
Debt discount and issuance costs extinguished in notes conversion	1,728	0
Inseego Notes conversion to equity	59,907	0
Novatel Wireless Notes conversion to equity	$ 250	$ 0