Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net income	$ 3,424	$ 3,484
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,662	681
Non-cash lease expense	511	481
Restructuring costs	6	115
Provision for doubtful accounts and other adjustments to accounts receivable	(9)	8
Provision for excess and obsolete inventory		1
Loss on disposal of fixed assets		6
Stock based compensation	1,441	788
Gain in sale of software product		(483)
Changes in operating accounts:
Accounts receivable	(1,637)	(5,842)
Prepaid expenses and other assets	(633)	(138)
Accounts payable and accrued liabilities	(692)	(526)
Deferred revenue	262	(136)
Net cash provided by (used in) operating activities	4,335	(1,561)
Investing activities:
Proceeds from sale of software product		350
Capital expenditures	(852)	(287)
Other investing activities	(204)
Net cash used in investing activities	(13,206)	(3,911)
Financing activities:
Proceeds from exercise of common stock warrants	4,196
Dividends paid on preferred stock		(67)
Other financing activities	21	(9)
Net cash provided by (used in) financing activities	4,217	(76)
Net decrease in cash and cash equivalents	(4,654)	(5,548)
Cash and cash equivalents, beginning of period	28,268	12,159
Cash and cash equivalents, end of period	23,614	6,611
Supplemental disclosures of cash flow information:
Cash paid for income taxes	40	17
Supplemental disclosures of non-cash activities:
Issuance of common stock in connection with Smart Retail acquisition		5,129
Smart Retail [Member]
Investing activities:
Acquisition of Smart Retail business and Circle operator business, net		$ (3,974)
Circle Operator [Member]
Investing activities:
Acquisition of Smart Retail business and Circle operator business, net	$ (12,150)