Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
OPERATING ACTIVITIES:
Net loss	$ (744)	$ (1,349)	$ (550)	$ (1,429)	$ (3,035)	$ (2,661)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property and equipment	4		8		20	22
Amortization of intangible assets and license and supply agreement					132	101
Non-cash stock-based compensation, including stock options and restricted stock					662	588
Loss on extinguishment of debt						199
Amortization of debt discount						34
Inventory reserve					37	65
Allowance for doubtful accounts reserve	19				19	21
Change in fair value of contingent consideration	(94)				(113)
Accretion of contingent consideration					41
Loss on disposal of equipment						10
Gain on foreign currency transactions					(2)	(1)
(Increase) decrease in operating assets:
Accounts receivable					(461)	(684)
Inventory					(301)	(850)
Prepaid expenses and other current assets					21	22
Operating right-of-use assets and operating lease liabilities					49
Other assets					(21)
Increase (decrease) in operating liabilities:
Accounts payable					(144)	(309)
Accrued expenses					456	309
Net cash used in operating activities					(2,640)	(3,134)
INVESTING ACTIVITIES:
Purchase of equipment					(14)
Acquisition of Biocon					(137)
Net cash used in investing activities					(151)
FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net of equity issuance costs of $8 and $19, respectively					1,992	3,778
Net payments on secured revolving credit facility					(9)	(548)
Proceeds from sale of subsidiary preferred shares to noncontrolling interest						3,000
Proceeds from equipment financing					14
Principal payments on equipment financing debt					(1)
Payments on secured note payable					(159)	(99)
Proceeds from exercise of warrants					292	138
Proceeds from exercise of stock options					21
Payment of contingent consideration					(78)
Proceeds from issuance of secured note						1,187
Repayment of unsecured long term note payable						(1,187)
Net cash provided by financing activities					2,072	6,269
Effect of exchange rates on cash					(7)	(7)
Net (decrease) increase in cash					(726)	3,128
Cash, beginning of period		$ 4,581		$ 2,194	4,581	2,194	$ 2,194
Cash, end of period	$ 3,855		$ 5,322		3,855	5,322	$ 4,581
Supplemental disclosure of cash flow information
Cash paid for interest					98	124
Cash paid for income taxes					4	7
Supplemental disclosure of noncash investing and financing information
Right-of-use asset obtained in exchange for lease liability					$ 800